{
 "version": "2.2",
 "instance": {
  "omex-20260331.htm": {
   "nsprefix": "omex",
   "nsuri": "http://www.odysseymarine.com/20260331",
   "dts": {
    "inline": {
     "local": [
      "omex-20260331.htm"
     ]
    },
    "schema": {
     "local": [
      "omex-20260331.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/2023/calculation-1.1.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd",
      "https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd",
      "https://xbrl.sec.gov/ecd/2025/ecd-sub-2025.xsd",
      "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"
     ]
    }
   },
   "keyStandard": 31,
   "keyCustom": 0,
   "axisStandard": 0,
   "axisCustom": 0,
   "memberStandard": 0,
   "memberCustom": 0,
   "hidden": {
    "total": 4,
    "http://xbrl.sec.gov/dei/2025": 4
   },
   "contextCount": 2,
   "entityCount": 1,
   "segmentCount": 0,
   "elementCount": 638,
   "unitCount": 1,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2025": 31
   },
   "report": {
    "R1": {
     "role": "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage",
     "longName": "75000 - Document - Cover Page",
     "shortName": "Cover Page",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "C_5af5a4da-3d4b-48f2-aa43-b3fde06faa21",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "omex-20260331.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "C_5af5a4da-3d4b-48f2-aa43-b3fde06faa21",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "omex-20260331.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "omex_AOMPIPESubscriptionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AOMPIPESubscriptionAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "AOM PIPE Subscription Agreement [Member]",
        "documentation": "AOM PIPE subscription agreement.",
        "terseLabel": "AOM PIPE Subscription Agreement"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AcceleratedShareRepurchasesFinalPricePaidPerShare",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accelerated Share Repurchases, Final Price Paid Per Share",
        "terseLabel": "Average market price during the period"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountingPoliciesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_AccountingStandardsUpdate2025-05Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AccountingStandardsUpdate2025-05Member",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update 2025-05 [Member]",
        "documentation": "Accounting Standards Update 2025-05."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountingStandardsUpdateExtensibleList": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountingStandardsUpdateExtensibleList",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update [Extensible Enumeration]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsNotesAndLoansReceivableLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountsNotesAndLoansReceivableLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts, Notes, Loans and Financing Receivable [Line Items]",
        "terseLabel": "Accounts, Notes, Loans and Financing Receivable [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Receivable Type [Axis]",
        "label": "Receivable Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpenses"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accrued Expenses",
        "label": "Accounts Payable and Accrued Liabilities Disclosure [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsReceivableGrossCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountsReceivableGrossCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail": {
       "parentTag": "us-gaap_AccountsReceivableNetCurrent",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts Receivable, before Allowance for Credit Loss, Current",
        "terseLabel": "Accounts receivable",
        "verboseLabel": "Accounts receivable, gross"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsReceivableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountsReceivableMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounts Receivable [Member]",
        "label": "Accounts Receivable [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsReceivableNetCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccountsReceivableNetCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total accounts receivable and other, net",
        "label": "Accounts Receivable, after Allowance for Credit Loss, Current",
        "verboseLabel": "Total accounts receivable, net",
        "terseLabel": "Accounts receivable, related party"
       }
      }
     },
     "auth_ref": []
    },
    "omex_AccruedAggregateMemberInterestOfAdminstratorsAndOfficers": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AccruedAggregateMemberInterestOfAdminstratorsAndOfficers",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accrued Aggregate Member Interest Of Adminstrators And Officers",
        "documentation": "Accrued aggregate member interest of adminstrators and officers.",
        "terseLabel": "Accrued aggregate of adminstrators and officers"
       }
      }
     },
     "auth_ref": []
    },
    "omex_AccruedExplorationLicenseFees": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AccruedExplorationLicenseFees",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail": {
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Exploration license fees",
        "label": "Accrued Exploration License Fees",
        "documentation": "Accrued exploration license fees."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccruedLiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccruedLiabilitiesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total accrued expenses",
        "label": "Accrued Liabilities, Current"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccruedProfessionalFeesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AccruedProfessionalFeesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail": {
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Professional services",
        "label": "Accrued Professional Fees, Current"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_Additional402vDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "Additional402vDisclosureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional 402(v) Disclosure [Text Block]",
        "terseLabel": "Additional 402(v) Disclosure"
       }
      }
     },
     "auth_ref": [
      "r36"
     ]
    },
    "ecd_AdjToCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Compensation Amount",
        "terseLabel": "Adjustment to Compensation, Amount"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "ecd_AdjToCompAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToCompAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Compensation [Axis]",
        "terseLabel": "Adjustment to Compensation:"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "ecd_AdjToNonPeoNeoCompFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToNonPeoNeoCompFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Non-PEO NEO Compensation Footnote [Text Block]",
        "terseLabel": "Adjustment to Non-PEO NEO Compensation Footnote"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "ecd_AdjToPeoCompFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToPeoCompFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment To PEO Compensation, Footnote [Text Block]",
        "terseLabel": "Adjustment To PEO Compensation, Footnote"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AdjustmentsForNewAccountingPronouncementsAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalMarkToMarket": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AdjustmentsToAdditionalPaidInCapitalMarkToMarket",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "APIC at a fair value",
        "label": "Adjustments to Additional Paid in Capital, Fair Value"
       }
      }
     },
     "auth_ref": []
    },
    "omex_AfcoInsuranceNotePayableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AfcoInsuranceNotePayableMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "AFCO Insurance note payable [Member]",
        "label": "AFCO Insurance Note Payable [Member]",
        "documentation": "AFCO Insurance Note Payable [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_AfterTheIssuanceOfTrialHarvestingLicenseMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AfterTheIssuanceOfTrialHarvestingLicenseMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "After the Issuance of Trial Harvesting License [Member]",
        "documentation": "After the issuance of trial harvesting license.",
        "terseLabel": "After the Issuance of Trial Harvesting License"
       }
      }
     },
     "auth_ref": []
    },
    "omex_AggregateAmountOfAdditionalFairValueOfUnderlyingAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AggregateAmountOfAdditionalFairValueOfUnderlyingAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Amount Of Additional Fair Value Of Underlying Assets",
        "documentation": "Aggregate Amount Of Additional Fair Value Of Underlying Assets"
       }
      }
     },
     "auth_ref": []
    },
    "omex_AggregateFinancingAmountProvidedByInvestors": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AggregateFinancingAmountProvidedByInvestors",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Financing Amount Provided by Investors",
        "documentation": "Aggregate financing amount provided by investors.",
        "terseLabel": "Aggregate financing amount provided by investors"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtChngPnsnValInSummryCompstnTblForAplblYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]",
        "terseLabel": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r82"
     ]
    },
    "ecd_AggtErrCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtErrCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Erroneous Compensation Amount",
        "terseLabel": "Aggregate Erroneous Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r18",
      "r28",
      "r60"
     ]
    },
    "ecd_AggtErrCompNotYetDeterminedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtErrCompNotYetDeterminedTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Erroneous Compensation Not Yet Determined [Text Block]",
        "terseLabel": "Aggregate Erroneous Compensation Not Yet Determined"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r21",
      "r31",
      "r63"
     ]
    },
    "ecd_AggtPnsnAdjsSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtPnsnAdjsSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Pension Adjustments Service Cost [Member]",
        "terseLabel": "Aggregate Pension Adjustments Service Cost"
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "omex_AgreementTerminationFees": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AgreementTerminationFees",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Agreement Termination Fees",
        "documentation": "Agreement termination fees.",
        "terseLabel": "Termination fee"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AllAdjToCompMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllAdjToCompMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Adjustments to Compensation [Member]",
        "terseLabel": "All Adjustments to Compensation"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "ecd_AllExecutiveCategoriesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllExecutiveCategoriesMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Executive Categories [Member]",
        "terseLabel": "All Executive Categories"
       }
      }
     },
     "auth_ref": [
      "r56"
     ]
    },
    "ecd_AllIndividualsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllIndividualsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure",
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure",
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Individuals [Member]",
        "terseLabel": "All Individuals"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r56",
      "r64",
      "r68",
      "r76"
     ]
    },
    "ecd_AllTradingArrangementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllTradingArrangementsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Trading Arrangements [Member]",
        "terseLabel": "All Trading Arrangements"
       }
      }
     },
     "auth_ref": [
      "r74"
     ]
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AllocatedShareBasedCompensationExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Expense",
        "terseLabel": "Share-based compensation expense",
        "verboseLabel": "Share-based compensation"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentDescription": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentDescription",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Description",
        "documentation": "Description of changes contained within amended document."
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "omex_AmericanOceanMineralsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "AmericanOceanMineralsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "American Ocean Minerals [Member]",
        "documentation": "American ocean minerals.",
        "terseLabel": "American Ocean Minerals Corporation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AmortizationOfDebtDiscountPremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AmortizationOfDebtDiscountPremium",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Amortization of deferred discount",
        "terseLabel": "Amortization of debt discount",
        "label": "Amortization of Debt Discount (Premium)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AmortizationOfFinancingCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AmortizationOfFinancingCosts",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortization of debt issuance costs",
        "label": "Amortization of Debt Issuance Costs"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Potential common shares excluded from EPS",
        "terseLabel": "Excluded unvested restricted stock awards",
        "verboseLabel": "Out of the money options and warrants excluded"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antidilutive Securities [Axis]",
        "terseLabel": "Antidilutive Securities [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]",
        "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AntidilutiveSecuritiesNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AntidilutiveSecuritiesNameDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antidilutive Securities, Name [Domain]",
        "terseLabel": "Antidilutive Securities, Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ArrangementsAndNonarrangementTransactionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ArrangementsAndNonarrangementTransactionsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetAtFairValueChangesInFairValueResultingFromChangesInAssumptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AssetAtFairValueChangesInFairValueResultingFromChangesInAssumptions",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Asset at fair value, changes in fair value resulting from changes in assumptions",
        "label": "Asset at Fair Value, Changes in Fair Value Resulting from Changes in Assumptions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetImpairmentCharges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AssetImpairmentCharges",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Asset impairment charges",
        "label": "Asset Impairment Charges",
        "totalLabel": "Asset Impairment Charges, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Assets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "Assets",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Assets",
        "terseLabel": "Total assets",
        "totalLabel": "Total assets",
        "label": "Total Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AwardExrcPrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardExrcPrice",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Exercise Price",
        "terseLabel": "Exercise Price"
       }
      }
     },
     "auth_ref": [
      "r71"
     ]
    },
    "ecd_AwardGrantDateFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardGrantDateFairValue",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Grant Date Fair Value",
        "terseLabel": "Fair Value as of Grant Date"
       }
      }
     },
     "auth_ref": [
      "r72"
     ]
    },
    "ecd_AwardTmgDiscLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgDiscLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Disclosures [Line Items]",
        "terseLabel": "Award Timing Disclosures"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "ecd_AwardTmgHowMnpiCnsdrdTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgHowMnpiCnsdrdTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing, How MNPI Considered [Text Block]",
        "terseLabel": "Award Timing, How MNPI Considered"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "ecd_AwardTmgMethodTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgMethodTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Method [Text Block]",
        "terseLabel": "Award Timing Method"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "ecd_AwardTmgMnpiCnsdrdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgMnpiCnsdrdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing MNPI Considered [Flag]",
        "terseLabel": "Award Timing MNPI Considered"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "ecd_AwardTmgMnpiDiscTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgMnpiDiscTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing MNPI Disclosure [Text Block]",
        "terseLabel": "Award Timing MNPI Disclosure"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "ecd_AwardTmgPredtrmndFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgPredtrmndFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Predetermined [Flag]",
        "terseLabel": "Award Timing Predetermined"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "us-gaap_AwardTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AwardTypeAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails",
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AwardUndrlygSecuritiesAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardUndrlygSecuritiesAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Underlying Securities Amount",
        "terseLabel": "Underlying Securities"
       }
      }
     },
     "auth_ref": [
      "r70"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardsCloseToMnpiDiscIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r69"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardsCloseToMnpiDiscTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures [Table]",
        "terseLabel": "Awards Close in Time to MNPI Disclosures"
       }
      }
     },
     "auth_ref": [
      "r68"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardsCloseToMnpiDiscTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures [Table Text Block]",
        "terseLabel": "Awards Close in Time to MNPI Disclosures, Table"
       }
      }
     },
     "auth_ref": [
      "r68"
     ]
    },
    "omex_BackOfficeTechnicalAndSupportServicesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "BackOfficeTechnicalAndSupportServicesMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Back office technical and support services.",
        "label": "Back Office Technical and Support Services [Member]",
        "terseLabel": "Back Office Technical and Support Services [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_BeneficialOwnershipPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "BeneficialOwnershipPercentage",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Beneficial ownership percentage",
        "label": "Beneficial Ownership Percentage",
        "documentation": "Beneficial ownership percentage."
       }
      }
     },
     "auth_ref": []
    },
    "omex_BeneficialOwnershipPercentageApplicableToWarrantsHeld": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "BeneficialOwnershipPercentageApplicableToWarrantsHeld",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Beneficial Ownership Percentage Applicable to Warrants Held",
        "documentation": "Beneficial ownership percentage applicable to warrants held.",
        "terseLabel": "Beneficial ownership percentage applicable to warrants held"
       }
      }
     },
     "auth_ref": []
    },
    "omex_BismarckExplorationLicensePolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "BismarckExplorationLicensePolicyTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Bismarck Exploration License",
        "label": "Bismarck Exploration License [Policy Text Block]",
        "documentation": "Bismarck exploration license policy text block"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_BusinessAcquisitionAcquireeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "BusinessAcquisitionAcquireeDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Combination [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_BusinessAcquisitionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "BusinessAcquisitionAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Combination [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_BusinessCombinationAndAssetAcquisitionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "BusinessCombinationAndAssetAcquisitionAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_BusinessCombinationAndAssetAcquisitionLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "BusinessCombinationAndAssetAcquisitionLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Combination And Asset Acquisition [Line Items]",
        "documentation": "Business combination and asset acquisition."
       }
      }
     },
     "auth_ref": []
    },
    "omex_BusinessCombinationAndAssetAcquisitionTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "BusinessCombinationAndAssetAcquisitionTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Combination And Asset Acquisition [Table]",
        "documentation": "Business combination and asset acquisition."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_BusinessCombinationConsiderationTransferred1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "BusinessCombinationConsiderationTransferred1",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Combination, Consideration Transferred",
        "totalLabel": "Business Combination, Consideration Transferred, Total",
        "terseLabel": "Transaction values"
       }
      }
     },
     "auth_ref": []
    },
    "omex_CICEquityExchangeAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CICEquityExchangeAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CIC Equity Exchange Agreement",
        "label": "CIC Equity Exchange Agreement [Member]",
        "documentation": "CIC Equity Exchange Agreement."
       }
      }
     },
     "auth_ref": []
    },
    "omex_CICLLCOptionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CICLLCOptionAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CIC LLC Option Agreement [Member]",
        "documentation": "CIC LLC option agreement.",
        "terseLabel": "CIC LLC Option Agreement"
       }
      }
     },
     "auth_ref": []
    },
    "omex_CICLimited1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CICLimited1Member",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CIC Limited [Member]",
        "label": "C I C Limited1 [Member]",
        "documentation": "Cic limited1."
       }
      }
     },
     "auth_ref": []
    },
    "omex_CICLimitedOptionAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CICLimitedOptionAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CIC Limited Option Agreement",
        "label": "CIC Limited Option Agreement [Member]",
        "documentation": "CIC limited option agreement."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CallOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CallOptionMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Call Option [Member]",
        "terseLabel": "SPA Written Call Options"
       }
      }
     },
     "auth_ref": []
    },
    "omex_CapLatCapitalLatinoamericanoSADeCVMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CapLatCapitalLatinoamericanoSADeCVMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Caplat capital latinoamericano, S.A. de C.V. [Member]",
        "label": "CapLat Capital Latinoamericano, S.A. de C.V. [Member]",
        "documentation": "Caplat capital latinoamericano s a de c v.",
        "verboseLabel": "CapLat [Member]",
        "axisDefault": "Caplat capital latinoamericano, S.A. de C.V."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CarryingReportedAmountFairValueDisclosureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CarryingReportedAmountFairValueDisclosureMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reported Value Measurement [Member]",
        "terseLabel": "Carrying Value [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Cash": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "Cash",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash",
        "label": "Cash"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change in Accounting Principle, Accounting Standards Update, Adopted [true false]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change in Accounting Principle, Accounting Standards Update, Adoption Date"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ChangedPeerGroupFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ChangedPeerGroupFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Changed Peer Group, Footnote [Text Block]",
        "terseLabel": "Changed Peer Group, Footnote"
       }
      }
     },
     "auth_ref": [
      "r47"
     ]
    },
    "ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]",
        "terseLabel": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]",
        "terseLabel": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested"
       }
      }
     },
     "auth_ref": [
      "r42"
     ]
    },
    "omex_CicLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CicLimitedMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CIC Limited1 [Member]",
        "documentation": "CIC Limited1.",
        "terseLabel": "CIC Limited [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Claims Agreed To Be Financed By The Funder For the Rightful Claims Due To The Company",
        "label": "Claims Amount Agreed To Be Financed In Connection With Litigation To Be Settled",
        "verboseLabel": "Claims Payment Maximum Amount",
        "terseLabel": "Claims payment maximum amount"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ClassOfWarrantOrRightAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ClassOfWarrantOrRightDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Class of warrants or rights exercise price of warrants or rights",
        "terseLabel": "Exercise price",
        "label": "Class of Warrant or Right, Exercise Price of Warrants or Rights"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ClassOfWarrantOrRightExercised": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ClassOfWarrantOrRightExercised",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right, Exercised",
        "documentation": "Class of warrant or right, exercised.",
        "terseLabel": "Class of warrants or rights exercised"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ClassOfWarrantOrRightExercisedDuringThePeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ClassOfWarrantOrRightExercisedDuringThePeriod",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class Of Warrant Or Right, Exercised During The Period",
        "documentation": "Class of warrant or right, exercised during the period.",
        "terseLabel": "Class of warrant or right, exercised during the period"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ClassOfWarrantOrRightExpirationBeginningDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ClassOfWarrantOrRightExpirationBeginningDate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrants, expiration beginning date",
        "documentation": "Class of warrant or right expiration beginning date."
       }
      }
     },
     "auth_ref": []
    },
    "omex_ClassOfWarrantOrRightExpirationDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ClassOfWarrantOrRightExpirationDate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Warrants, expiration date",
        "label": "Class Of Warrant Or Right Expiration Date",
        "documentation": "Class of warrant or right expiration date."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ClassOfWarrantOrRightLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Warrant or Right [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Class of warrant or right, Number of securities called by warrants or rights",
        "label": "Common stock issued for warrants exercised, Shares",
        "verboseLabel": "Common stock issued for warrants exercised, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfWarrantOrRightOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ClassOfWarrantOrRightOutstanding",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Class of warrants or rights outstanding",
        "label": "Class of Warrant or Right, Outstanding"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ClassOfWarrantsExpiredUnexercised": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ClassOfWarrantsExpiredUnexercised",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class Of Warrants Expired Unexercised",
        "documentation": "Class of warrants expired unexercised.",
        "terseLabel": "Class of warrants expired unexercised"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_CoSelectedMeasureAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CoSelectedMeasureAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Company Selected Measure Amount",
        "terseLabel": "Company Selected Measure Amount"
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "ecd_CoSelectedMeasureName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CoSelectedMeasureName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Company Selected Measure Name",
        "terseLabel": "Company Selected Measure Name"
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "us-gaap_CollateralAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CollateralAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collateral Held [Axis]",
        "terseLabel": "Collateral [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CollateralDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CollateralDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collateral Held [Domain]",
        "terseLabel": "Collateral [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingencies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "Commitments and Contingencies"
       }
      }
     },
     "auth_ref": []
    },
    "omex_CommonStockIssuedAndExchangedSharesWithRelatedParty": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CommonStockIssuedAndExchangedSharesWithRelatedParty",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common stock issued and exchanged with related party",
        "label": "Common Stock Issued and Exchanged Shares With Related Party",
        "documentation": "Common stock issued and exchanged shares with related party"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CommonStockMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockSharesIssued": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CommonStockSharesIssued",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock, shares issued"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CommonStockValue",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock, Value, Issued",
        "verboseLabel": "Common stock - $0.0001 par value; 75,000,000 shares authorized; 58,368,659 and 55,771,913 issued and outstanding"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsCoSelectedMeasureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Company Selected Measure [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Company Selected Measure"
       }
      }
     },
     "auth_ref": [
      "r53"
     ]
    },
    "ecd_CompActuallyPaidVsNetIncomeTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsNetIncomeTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Net Income [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Net Income"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "ecd_CompActuallyPaidVsOtherMeasureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsOtherMeasureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Other Measure [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Other Measure"
       }
      }
     },
     "auth_ref": [
      "r54"
     ]
    },
    "ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsTotalShareholderRtnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Total Shareholder Return [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Total Shareholder Return"
       }
      }
     },
     "auth_ref": [
      "r51"
     ]
    },
    "us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CompensationExpenseExcludingCostOfGoodAndServiceSold",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "omex_SignificantExpenses",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Expense, Excluding Cost of Good and Service Sold",
        "totalLabel": "Total Compensation"
       }
      }
     },
     "auth_ref": []
    },
    "omex_CompensationQuotaAggregateAmountOfAdditionalFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CompensationQuotaAggregateAmountOfAdditionalFairValue",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Quota Aggregate Amount of Additional Fair Value",
        "documentation": "Compensation quota aggregate amount of additional fair value.",
        "terseLabel": "Compensation quota aggregate amount of additional fair value"
       }
      }
     },
     "auth_ref": []
    },
    "omex_CompensationQuotaIncrementalValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CompensationQuotaIncrementalValue",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Quota Incremental Value",
        "documentation": "Compensation quota incremental value.",
        "terseLabel": "Compensation quota incremental value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskBenchmarkDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConcentrationRiskBenchmarkDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concentration Risk Benchmark [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskByBenchmarkAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConcentrationRiskByBenchmarkAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concentration Risk Benchmark [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskByTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConcentrationRiskByTypeAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concentration Risk Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConcentrationRiskDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRisk"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concentration Risk Disclosure [Text Block]",
        "terseLabel": "Concentration of Credit Risk"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConcentrationRiskLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concentration Risk [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskPercentage1": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConcentrationRiskPercentage1",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration risk, percentage",
        "label": "Concentration Risk, Percentage"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConcentrationRiskTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConcentrationRiskTypeDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concentration Risk Type [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ConcessionContributionAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ConcessionContributionAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Concession contribution asset",
        "documentation": "Concession contribution asset."
       }
      }
     },
     "auth_ref": []
    },
    "omex_ConditionallyIssuableCommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ConditionallyIssuableCommonStockMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Conditionally issuable common stock",
        "label": "Conditionally Issuable Common Stock [Member]",
        "documentation": "Conditionally issuable common stock."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConsolidationPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConsolidationPolicyTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidation, Policy [Policy Text Block]",
        "verboseLabel": "Principles of Consolidation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ContractWithCustomerLiabilityRevenueRecognized",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contract with Customer, Liability, Revenue Recognized",
        "terseLabel": "Aggregate amount"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ConvertibleDebtSecuritiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ConvertibleDebtSecuritiesMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Convertible Debt Securities [Member]",
        "terseLabel": "Convertible Notes"
       }
      }
     },
     "auth_ref": []
    },
    "srt_CounterpartyNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "CounterpartyNameAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Axis]",
        "terseLabel": "Counterparty Name [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CurrentFiscalYearEndDate": {
     "xbrltype": "gMonthDayItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CurrentFiscalYearEndDate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date",
        "documentation": "End date of current fiscal year in the format --MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CustomerConcentrationRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CustomerConcentrationRiskMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer Concentration Risk [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_CustomerTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CustomerTwoMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer Two [Member]",
        "documentation": "Customer two."
       }
      }
     },
     "auth_ref": []
    },
    "omex_CustomersOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "CustomersOneMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customers One [Member]",
        "documentation": "Customers one.",
        "terseLabel": "Customers One [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentConvertibleConversionPrice1": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentConvertibleConversionPrice1",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Conversion price",
        "terseLabel": "Debt converted rate",
        "label": "Debt Instrument, Convertible, Conversion Price"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentFaceAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Debt Instrument, Face Amount",
        "label": "Debt instrument face amount",
        "terseLabel": "Aggregate amount issuable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest rate, stated percentage",
        "label": "Debt instrument interest rate",
        "verboseLabel": "Interest rate, stated percentage"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentMaturityDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentMaturityDate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt instrument maturity date",
        "label": "Debt Instrument, Maturity Date"
       }
      }
     },
     "auth_ref": []
    },
    "omex_DebtInstrumentMaturityPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DebtInstrumentMaturityPeriod",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt Instrument Maturity Period",
        "label": "Debt Instrument Maturity Period",
        "terseLabel": "Debt instrument maturity period"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentNameDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentPeriodicPayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentPeriodicPayment",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Periodic Payment",
        "totalLabel": "Debt Instrument, Periodic Payment, Total",
        "terseLabel": "Debt instrument periodic payment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentPeriodicPaymentPrincipal": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentPeriodicPaymentPrincipal",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instrument, Periodic Payment, Principal",
        "terseLabel": "Principal paid",
        "verboseLabel": "Principal outstading repaid"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Long-Term Debt Instruments [Table]",
        "terseLabel": "Schedule of Long-term Debt Instruments [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentUnamortizedDiscount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DebtInstrumentUnamortizedDiscount",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail": {
       "parentTag": "us-gaap_NotesAndLoansPayable",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Debt Instrument, Unamortized Discount, Total",
        "label": "Debt Instrument, Unamortized Discount",
        "verboseLabel": "Debt discount amount",
        "negatedLabel": "Less: Unamortized debt discount"
       }
      }
     },
     "auth_ref": []
    },
    "omex_DebtToTrueInterestCostRatio": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DebtToTrueInterestCostRatio",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt to true interest cost ratio",
        "label": "Debt To True Interest Cost Ratio",
        "documentation": "Debt to true interest cost ratio."
       }
      }
     },
     "auth_ref": []
    },
    "omex_December2023NoteMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "December2023NoteMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "December 2023 Note [Member]",
        "label": "December2023 Note [Member]",
        "documentation": "December2023 Note [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_December2023NotesAndDecember2023WarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "December2023NotesAndDecember2023WarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "December 2023 Notes and December 2023 Warrants [Member]",
        "documentation": "December 2023 Notes and December 2023 Warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_December2023WarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "December2023WarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "December 2023 Warrants [Member]",
        "label": "December 2023 Warrants [Member]",
        "documentation": "December 2023 warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_DecemberTwoThousandAndTwentyThreeConversionOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DecemberTwoThousandAndTwentyThreeConversionOptionMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "December 2023 Conversion Option [Member]",
        "label": "December Two Thousand And Twenty Three Conversion Option [Member]",
        "documentation": "December two thousand and twenty three conversion option."
       }
      }
     },
     "auth_ref": []
    },
    "omex_DecemberTwoThousandAndTwentyThreePurchaseAgreement1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DecemberTwoThousandAndTwentyThreePurchaseAgreement1Member",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "December Two Thousand And Twenty Three Purchase Agreement1 [Member]",
        "documentation": "December two thousand and twenty three purchase agreement1 member"
       }
      }
     },
     "auth_ref": []
    },
    "omex_DecemberTwoThousandAndTwentyThreePurchaseAgreement2Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DecemberTwoThousandAndTwentyThreePurchaseAgreement2Member",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "December Two Thousand And Twenty Three Purchase Agreement2 [Member]",
        "documentation": "December Two Thousand And Twenty Three Purchase Agreement2"
       }
      }
     },
     "auth_ref": []
    },
    "omex_DecemberTwoThousandAndTwentyThreePurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DecemberTwoThousandAndTwentyThreePurchaseAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "December Two Thousand And Twenty Three Purchase Agreement [Member]",
        "documentation": "December two thousand and twenty three purchase agreement."
       }
      }
     },
     "auth_ref": []
    },
    "omex_DecemberTwoThousandAndTwentyThreeWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DecemberTwoThousandAndTwentyThreeWarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "December 2023 Warrants [Member]",
        "label": "December Two Thousand And Twenty Three Warrants [Member]",
        "documentation": "December two thousand and twenty three warrants"
       }
      }
     },
     "auth_ref": []
    },
    "omex_DecemberTwoThousandTwentyThreeNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DecemberTwoThousandTwentyThreeNotesMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "December Two Thousand Twenty Three Notes [Member]",
        "documentation": "December two thousand twenty three notes.",
        "terseLabel": "December 2023 Notes [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_DecemberTwoThousandTwentythreeWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DecemberTwoThousandTwentythreeWarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "December Two Thousand Twentythree Warrants [Member]",
        "documentation": "December two thousand twentythree warrants.",
        "terseLabel": "December 2023 Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "omex_DeepSeaMineralCompanyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "DeepSeaMineralCompanyMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "CIC [Member]",
        "documentation": "Deep Sea Mineral Company.",
        "label": "Deep Sea Mineral Company [Member]",
        "terseLabel": "Deep Sea Mineral Company, CIC, LLC [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwards",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Operating Loss Carryforwards",
        "totalLabel": "Deferred Tax Assets, Operating Loss Carryforwards, Total",
        "verboseLabel": "Net operating loss limited period carryforward"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration",
        "terseLabel": "Net operating loss carryforwards, indefinitely"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration",
        "terseLabel": "Net operating loss carryforwards subject to expiration"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DepositLiabilitiesAccruedInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DepositLiabilitiesAccruedInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail": {
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deposit Liabilities, Accrued Interest",
        "terseLabel": "Accrued interest"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DepositsAssetsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DepositsAssetsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail": {
       "parentTag": "us-gaap_OtherAssetsCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deposits",
        "label": "Deposits Assets, Current"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstruments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]",
        "terseLabel": "Derivative Financial Instruments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Derivative Instruments, Gain (Loss) [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DerivativeInstrumentsGainLossLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DerivativeInstrumentsGainLossLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Derivative Instruments, Gain (Loss) [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_DirectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "DirectorMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mr.Pignatelli [Member]",
        "label": "Director [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentFiscalPeriodFocus": {
     "xbrltype": "fiscalPeriodItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalPeriodFocus",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus",
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentFiscalYearFocus": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalYearFocus",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Fiscal Year Focus",
        "label": "Document Fiscal Year Focus",
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentQuarterlyReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentQuarterlyReport",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Quarterly Report",
        "documentation": "Boolean flag that is true only for a form used as an quarterly report."
       }
      }
     },
     "auth_ref": [
      "r3"
     ]
    },
    "dei_DocumentTransitionReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentTransitionReport",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Transition Report",
        "documentation": "Boolean flag that is true only for a form used as a transition report."
       }
      }
     },
     "auth_ref": [
      "r35"
     ]
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "terseLabel": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DomesticCountryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DomesticCountryMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Federal [Member]",
        "terseLabel": "Domestic Country Member",
        "label": "Domestic Tax Jurisdiction [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]",
        "terseLabel": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year"
       }
      }
     },
     "auth_ref": [
      "r46"
     ]
    },
    "omex_EarnestMoneyDeposit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EarnestMoneyDeposit",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail": {
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deposits",
        "verboseLabel": "Earnest Money Deposit",
        "negatedLabel": "Deposit",
        "label": "Earnest Money Deposit",
        "documentation": "Earnest money deposit."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerShareBasic": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EarningsPerShareBasic",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Basic",
        "terseLabel": "Basic",
        "label": "Earnings Per Share, Basic",
        "totalLabel": "Earnings Per Share, Basic, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerShareDiluted": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EarningsPerShareDiluted",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share, Diluted",
        "totalLabel": "Earnings Per Share, Diluted, Total",
        "verboseLabel": "Diluted",
        "terseLabel": "Diluted"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EarningsPerSharePolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EarningsPerSharePolicyTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share, Policy [Policy Text Block]",
        "verboseLabel": "Earnings Per Share (\"EPS\")"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ElevenEmergencyInjuryDisasterLoanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ElevenEmergencyInjuryDisasterLoanMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Emergency Injury Disaster Loan [Member]",
        "documentation": "Eleven emergency injury disaster loan.",
        "label": "Eleven Emergency Injury Disaster Loan [Member]",
        "terseLabel": "Emergency Injury Disaster Loan"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EmergencyInjuryDisasterLoanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EmergencyInjuryDisasterLoanMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Emergency Injury Disaster Loan.",
        "label": "Emergency Injury Disaster Loan [Member]",
        "terseLabel": "Emergency Injury Disaster Loan [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EmployeeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EmployeeMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee [Member]",
        "documentation": "Employee."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EmployeeRelatedLiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EmployeeRelatedLiabilitiesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail": {
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Compensation and incentives",
        "label": "Employee-related Liabilities, Current",
        "totalLabel": "Employee-related Liabilities, Current, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EmployeeStockOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EmployeeStockOptionMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail",
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Stock Option [Member]",
        "terseLabel": "Employee Stock Option",
        "verboseLabel": "Option Awards"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine2": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine2",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line Two",
        "documentation": "Address Line 2 such as Street or Suite number"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCommonStockSharesOutstanding",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Stock, Shares Outstanding",
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCurrentReportingStatus": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCurrentReportingStatus",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Current Reporting Status",
        "terseLabel": "Entity Current Reporting Status",
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity [Domain]",
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity File Number",
        "label": "Securities Act File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityFilerCategory": {
     "xbrltype": "filerCategoryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityFilerCategory",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category",
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityInteractiveDataCurrent": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityInteractiveDataCurrent",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Interactive Data Current",
        "terseLabel": "Entity Interactive Data Current",
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files)."
       }
      }
     },
     "auth_ref": [
      "r85"
     ]
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityShellCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityShellCompany",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Shell Company",
        "terseLabel": "Entity Shell Company",
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntitySmallBusiness": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntitySmallBusiness",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Small Business",
        "terseLabel": "Entity Small Business",
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC)."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "ecd_EqtyAwrdsAdjFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsAdjFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments, Footnote [Text Block]",
        "terseLabel": "Equity Awards Adjustments, Footnote"
       }
      }
     },
     "auth_ref": [
      "r40"
     ]
    },
    "ecd_EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]",
        "terseLabel": "Equity Awards Adjustments, Excluding Value Reported in Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r81"
     ]
    },
    "ecd_EqtyAwrdsAdjsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsAdjsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments [Member]",
        "terseLabel": "Equity Awards Adjustments"
       }
      }
     },
     "auth_ref": [
      "r81"
     ]
    },
    "ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsInSummryCompstnTblForAplblYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]",
        "terseLabel": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r81"
     ]
    },
    "us-gaap_EquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EquityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EquityComponentDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EquityComponentDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Component [Domain]",
        "terseLabel": "Equity Component [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EquityExchangeRatioPerCompensationQuota": {
     "xbrltype": "perUnitItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EquityExchangeRatioPerCompensationQuota",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Exchange Ratio Per Compensation Quota",
        "documentation": "Equity Exchange Ratio Per Compensation Quota"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EquityExchangeRatioPerCompensationQuota1": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EquityExchangeRatioPerCompensationQuota1",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Exchange Ratio Per Compensation Quota 1",
        "documentation": "Equity Exchange Ratio Per Compensation Quota 1"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EquityExchangeRightsInConnectionWithCorporateTransactionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EquityExchangeRightsInConnectionWithCorporateTransactionsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity exchange rights in connection with Corporate Transactions [Member]",
        "documentation": "Equity exchange rights in connection with corporate transactions.",
        "terseLabel": "Equity Exchange Rights in Connection with Corporate Transactions"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EquityExchangeRightsInConnectionWithMexicanCorporateTransactionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EquityExchangeRightsInConnectionWithMexicanCorporateTransactionsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity exchange rights in connection with Mexican Corporate Transactions [Member]",
        "documentation": "Equity exchange rights in connection with mexican corporate transactions",
        "terseLabel": "Equity Exchange Rights in Connection with Mexican Corporate Transactions"
       }
      }
     },
     "auth_ref": []
    },
    "srt_EquityMethodInvesteeNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "EquityMethodInvesteeNameDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment, Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EquityMethodInvestmentOwnershipPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EquityMethodInvestmentOwnershipPercentage",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ownership percentage",
        "verboseLabel": "Equity Method Investment Ownership Interest",
        "terseLabel": "Ownership percentage"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EquityMethodInvestmentRealizedGainLossOnDisposal",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity method investment realized gain loss on disposal",
        "label": "Equity Method Investment, Realized Gain (Loss) on Disposal",
        "verboseLabel": "Loss on equity method investment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EquityMethodInvestmentsAndJointVenturesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Method Investments and Joint Ventures [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EquityMethodInvestmentsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EquityMethodInvestmentsDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntities1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Method Investments and Joint Ventures Disclosure [Text Block]",
        "terseLabel": "Investment in Unconsolidated Entities"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_EquityValuationAssumptionDifferenceFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EquityValuationAssumptionDifferenceFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Valuation Assumption Difference, Footnote [Text Block]",
        "terseLabel": "Equity Valuation Assumption Difference, Footnote"
       }
      }
     },
     "auth_ref": [
      "r50"
     ]
    },
    "ecd_ErrCompAnalysisTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ErrCompAnalysisTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Erroneous Compensation Analysis [Text Block]",
        "terseLabel": "Erroneous Compensation Analysis"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r18",
      "r28",
      "r60"
     ]
    },
    "ecd_ErrCompRecoveryTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ErrCompRecoveryTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Erroneously Awarded Compensation Recovery [Table]",
        "terseLabel": "Erroneously Awarded Compensation Recovery"
       }
      }
     },
     "auth_ref": [
      "r5",
      "r15",
      "r25",
      "r57"
     ]
    },
    "us-gaap_EstimateOfFairValueFairValueDisclosureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EstimateOfFairValueFairValueDisclosureMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Estimate of Fair Value Measurement [Member]",
        "terseLabel": "Fair Value [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EstimatedCapitalExpendituresToCommenceMiningOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EstimatedCapitalExpendituresToCommenceMiningOperations",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Estimated capital expenditures to commence mining operations",
        "label": "Estimated Capital Expenditures To Commence Mining Operations",
        "documentation": "Estimated capital expenditures to commence mining operations."
       }
      }
     },
     "auth_ref": []
    },
    "omex_EstimatedDiscountDueToUncertaintyReinstatement": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EstimatedDiscountDueToUncertaintyReinstatement",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Estimated Discount Due to Uncertainty Reinstatement",
        "documentation": "Estimated discount due to uncertainty reinstatement.",
        "terseLabel": "Estimated discount due to uncertainty reinstatement"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EstimatedFairValueMeasurementInput": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EstimatedFairValueMeasurementInput",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Estimated Fair Value Measurement Input",
        "documentation": "Estimated fair value measurement input.",
        "terseLabel": "Estimated fair value measurement input"
       }
      }
     },
     "auth_ref": []
    },
    "omex_EstimatedLitigationReserveLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "EstimatedLitigationReserveLiability",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail": {
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Litigation financing",
        "label": "Estimated Litigation Reserve Liability",
        "documentation": "Estimated litigation reserve liability"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ExecutiveCategoryAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ExecutiveCategoryAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Executive Category [Axis]",
        "terseLabel": "Executive Category:"
       }
      }
     },
     "auth_ref": [
      "r56"
     ]
    },
    "omex_ExploracionesOceanicasSDeRLDeCVMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ExploracionesOceanicasSDeRLDeCVMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exploraciones Oceanicas S. De R.L. De CV [Member]",
        "documentation": "Exploraciones Oceanicas S. De R.L. De CV [Member]",
        "terseLabel": "EXO [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ExplorationLicenseImpairments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ExplorationLicenseImpairments",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exploration license impairments",
        "documentation": "Exploration license impairments."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAdjustmentOfWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueAdjustmentOfWarrants",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of warrants",
        "label": "Fair Value Adjustment of Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Recurring and Nonrecurring [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueAssetsMeasuredOnNonrecurringBasisTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Changes in Level 3 Fair Value Measurements",
        "label": "Fair Value Measurements, Nonrecurring [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByBalanceSheetGroupingTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueByBalanceSheetGroupingTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, by Balance Sheet Grouping [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByLiabilityClassAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueByLiabilityClassAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liability Class [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByMeasurementBasisAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueByMeasurementBasisAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Basis [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueByMeasurementFrequencyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueByMeasurementFrequencyAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Frequency [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueChangeInConvertibleDebtGainLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueChangeInConvertibleDebtGainLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Change In Convertible Debt Gain (Loss)",
        "documentation": "Fair value change In convertible debt gain (loss).",
        "terseLabel": "Fair value change of convertible debt"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueChangeInDebtInstrumentsGainLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueChangeInDebtInstrumentsGainLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Change In Debt Instruments Gain Loss",
        "documentation": "Fair value change in debt instruments gain loss.",
        "terseLabel": "Fair value change of debt instruments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueDisclosureItemAmountsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueDisclosureItemAmountsDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Measurement [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueDisclosuresAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueDisclosuresTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Disclosures [Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueDiscountRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueDiscountRate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Discount Rate",
        "documentation": "Fair value discount rate.",
        "terseLabel": "Fair value discount rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueInputsLevel2Member",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Inputs, Level 2 [Member]",
        "terseLabel": "Level 2 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueInputsLevel3Member",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Level 3 [Member]",
        "label": "Fair Value, Inputs, Level 3 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueInterestsDeterminedPerCompensationQuota": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueInterestsDeterminedPerCompensationQuota",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Interests Determined Per Compensation Quota",
        "documentation": "Fair value interests determined per compensation quota",
        "terseLabel": "Fair value interests determined per compensation quota"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueInterestsPerCompensation": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueInterestsPerCompensation",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Interests Per Compensation",
        "documentation": "Fair value interests per compensation.",
        "terseLabel": "Fair value interests per compensation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of Fair Value Hierarchy for Financial Liabilities Measured At Fair Value on a Recurring Basis",
        "label": "Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value by Liability Class [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementFrequencyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementFrequencyDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Frequency [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in fair value",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuanceOfNewFunding": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuanceOfNewFunding",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issuance Of New Funding",
        "documentation": "Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issuance Of New Funding",
        "terseLabel": "Issuance of new funding"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Issuance of new instrument",
        "terseLabel": "Classification of warrant as liability",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfDebtConversionToEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfDebtConversionToEquity",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Of Debt Conversion To Equity",
        "documentation": "Fair value measurement with unobservable inputs reconciliation recurring basis liability of debt conversion to equity.",
        "terseLabel": "Debt conversion to equity"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfWarrantsExercised": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfWarrantsExercised",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value measurement with unobservable inputs reconciliation recurring basis liability of warrants exercised.",
        "label": "Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Of Warrants Exercised",
        "negatedLabel": "Warrants Exercised"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodEndLabel": "Ending Balance",
        "periodStartLabel": "Beginning Balance",
        "totalLabel": "Total of fair valued liabilities",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Hierarchy and NAV [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementsNonrecurringMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementsNonrecurringMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Nonrecurring [Member]",
        "terseLabel": "Fair Value, Nonrecurring [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementsSensitivityAnalysisDescription": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementsSensitivityAnalysisDescription",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unobservable Measurement Input, Uncertainty, Description",
        "terseLabel": "Fair value measurement input description"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueOfConcessionRights": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueOfConcessionRights",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of concession rights",
        "label": "Fair Value Of Concession Rights",
        "documentation": "Fair value of concession rights."
       }
      }
     },
     "auth_ref": []
    },
    "omex_FairValueOfTheObligation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FairValueOfTheObligation",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of the obligation",
        "label": "Fair Value Of The Obligation",
        "documentation": "Fair value of the obligation"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleList": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleList",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FinanceLeaseLiabilityMaturityTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Remaining future cash payments related to the financing liability",
        "label": "Finance Lease, Liability, to be Paid, Maturity [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FinanceLeaseLiabilityPaymentsDue",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total",
        "terseLabel": "Total",
        "label": "Finance Lease, Liability, to be Paid"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FinanceLeaseLiabilityPaymentsDueAfterYearTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail": {
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finance Lease Liability Payments Due After Year Two",
        "documentation": "Finance lease liability payments due after year two.",
        "terseLabel": "Thereafter"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail": {
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finance Lease, Liability, to be Paid, Year One",
        "terseLabel": "2026"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail": {
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finance Lease, Liability, to be Paid, Year Two",
        "terseLabel": "2027"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FinanceLiabilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FinanceLiabilityMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Finance liability [Member]",
        "label": "Finance Liability [Member]",
        "documentation": "Finance liability member."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinancialInstrumentAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FinancialInstrumentAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial Instrument [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinancingReceivableUnamortizedLoanFeeCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FinancingReceivableUnamortizedLoanFeeCost",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail": {
       "parentTag": "us-gaap_NotesAndLoansPayable",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Less: Unamortized deferred lender fee",
        "label": "Financing Receivable, Unamortized Loan Cost (Fee)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ForeignCountryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ForeignCountryMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Foreign [Member]",
        "terseLabel": "Foreign Country Member",
        "label": "Foreign Tax Jurisdiction [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ForeignExchangeIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ForeignExchangeIncomeExpense",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Foreign Exchange Income (Expense)",
        "documentation": "Foreign exchange income (expense).",
        "terseLabel": "Foreign currency translation loss"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Disqualification of Tax Benefits, Amount",
        "terseLabel": "Forgone Recovery due to Disqualification of Tax Benefits, Amount"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r64"
     ]
    },
    "ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryDueToExpenseOfEnforcementAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Expense of Enforcement, Amount",
        "terseLabel": "Forgone Recovery due to Expense of Enforcement, Amount"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r64"
     ]
    },
    "ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryDueToViolationOfHomeCountryLawAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Violation of Home Country Law, Amount",
        "terseLabel": "Forgone Recovery due to Violation of Home Country Law, Amount"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r64"
     ]
    },
    "ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryExplanationOfImpracticabilityTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery, Explanation of Impracticability [Text Block]",
        "terseLabel": "Forgone Recovery, Explanation of Impracticability"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r64"
     ]
    },
    "ecd_ForgoneRecoveryIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r64"
     ]
    },
    "omex_FourWorldCapitalManagementLlcMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FourWorldCapitalManagementLlcMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Four World Capital Management Llc [Member]",
        "documentation": "Four world capital management llc."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]",
        "terseLabel": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year"
       }
      }
     },
     "auth_ref": [
      "r45"
     ]
    },
    "omex_FunderAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FunderAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Funder [Axis]",
        "documentation": "Funder Axis"
       }
      }
     },
     "auth_ref": []
    },
    "omex_FunderDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "FunderDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Funder [Domain]",
        "documentation": "Funder Domain"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GainLossOnDerivativeInstrumentsNetPretax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "GainLossOnDerivativeInstrumentsNetPretax",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in fair value",
        "verboseLabel": "Change in derivative liabilities fair value",
        "label": "Gain (Loss) on Derivative Instruments, Net, Pretax",
        "totalLabel": "Gain (Loss) on Derivative Instruments, Net, Pretax, Total",
        "negatedLabel": "Change in fair value of derivative liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GeneralAndAdministrativeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "GeneralAndAdministrativeExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "General and Administrative Expense, Total",
        "label": "General and Administrative Expense",
        "terseLabel": "General expenses",
        "negatedLabel": "General expenses",
        "negatedTerseLabel": "General and administrative expenses"
       }
      }
     },
     "auth_ref": []
    },
    "omex_GreywolfMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "GreywolfMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Greywolf [Member]",
        "documentation": "Greywolf member."
       }
      }
     },
     "auth_ref": []
    },
    "omex_GreywolfOpportunitiesMasterFundIILPMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "GreywolfOpportunitiesMasterFundIILPMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Greywolf Opportunities Master Fund II LP [Member]",
        "documentation": "Greywolf opportunities master fund II LP.",
        "terseLabel": "Greywolf Opportunities Master Fund II LP [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ImmaterialErrorCorrection": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ImmaterialErrorCorrection",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Immaterial Error Correction",
        "terseLabel": "Immaterial error correction"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]",
        "verboseLabel": "Long-Lived Assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeLossFromEquityMethodInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncomeLossFromEquityMethodInvestments",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income (Loss) from Equity Method Investments",
        "terseLabel": "Income (loss) on equity method investment"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeStatementCompensationItemsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncomeStatementCompensationItemsAbstract",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Compensation:",
        "label": "Compensation Items [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxAuthorityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncomeTaxAuthorityAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Jurisdiction [Axis]",
        "terseLabel": "Income Tax Authority [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxAuthorityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncomeTaxAuthorityDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Jurisdiction [Domain]",
        "terseLabel": "Income Tax Authority [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncomeTaxDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]",
        "verboseLabel": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncomeTaxDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxes"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Disclosure [Text Block]",
        "verboseLabel": "Income Taxes"
       }
      }
     },
     "auth_ref": []
    },
    "omex_IncomeTaxesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "IncomeTaxesLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income taxes.",
        "label": "Income Taxes [Line Items]",
        "terseLabel": "Income Taxes [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_IncomeTaxesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "IncomeTaxesTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income taxes.",
        "label": "Income Taxes [Table]",
        "terseLabel": "Income Taxes [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncrementalCommonSharesAttributableToCallOptionsAndWarrants",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dilutive effect of warrants",
        "label": "Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "IncrementalCommonSharesAttributableToConversionOfDebtSecurities",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities",
        "terseLabel": "Dilutive effect of convertible debt instruments"
       }
      }
     },
     "auth_ref": []
    },
    "omex_IncrementalCommonSharesAttributableToOptions": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "IncrementalCommonSharesAttributableToOptions",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Incremental Common Shares Attributable To Options",
        "documentation": "Incremental common shares attributable to options.",
        "terseLabel": "Dilutive effect of options"
       }
      }
     },
     "auth_ref": []
    },
    "omex_IncrementalCommonSharesAttributableToOtherDerivativeInstruments": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "IncrementalCommonSharesAttributableToOtherDerivativeInstruments",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Incremental Common Shares Attributable To Other Derivative Instruments",
        "documentation": "Incremental common shares attributable to other cerivative instruments.",
        "terseLabel": "Dilutive effect of other derivative instruments"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_IndividualAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "IndividualAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure",
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure",
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Individual [Axis]",
        "terseLabel": "Individual:"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r56",
      "r64",
      "r68",
      "r76"
     ]
    },
    "omex_InitialBaseRent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "InitialBaseRent",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Initial base rent",
        "label": "Initial Base Rent",
        "documentation": "Initial base rent."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_InsiderTradingArrLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTradingArrLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Arrangements [Line Items]",
        "terseLabel": "Insider Trading Arrangements:"
       }
      }
     },
     "auth_ref": [
      "r74"
     ]
    },
    "ecd_InsiderTradingPoliciesProcLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTradingPoliciesProcLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures [Line Items]",
        "terseLabel": "Insider Trading Policies and Procedures:"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r80"
     ]
    },
    "ecd_InsiderTrdPoliciesProcAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTrdPoliciesProcAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures Adopted [Flag]",
        "terseLabel": "Insider Trading Policies and Procedures Adopted"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r80"
     ]
    },
    "ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTrdPoliciesProcNotAdoptedTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures Not Adopted [Text Block]",
        "terseLabel": "Insider Trading Policies and Procedures Not Adopted"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r80"
     ]
    },
    "us-gaap_InterestExpenseDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InterestExpenseDebt",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt, interest expense",
        "label": "Interest Expense, Debt",
        "totalLabel": "Interest Expense, Debt, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentHoldingsScheduleOfInvestmentsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentHoldingsScheduleOfInvestmentsTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Investment in Unconsolidated Entities",
        "label": "Investment Holdings, Schedule of Investments [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_InvestmentInUnconsolidatedEntities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "InvestmentInUnconsolidatedEntities",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment in unconsolidated entities",
        "label": "Investment In Unconsolidated Entities",
        "documentation": "Investment in unconsolidated entities."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentPolicyTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment in Unconsolidated Entities",
        "label": "Investment, Policy [Policy Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentTypeAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentTypeCategorizationMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total",
        "label": "Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures",
        "terseLabel": "Investment carrying value",
        "verboseLabel": "Investment in unconsolidated entities"
       }
      }
     },
     "auth_ref": []
    },
    "omex_JohnDLongleyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "JohnDLongleyMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "John D. Longley [Member]",
        "documentation": "John D. Longley."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_JointVentureFormationFairValueOfJointVenture": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "JointVentureFormationFairValueOfJointVenture",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair market value of joint venture",
        "label": "Joint Venture Formation, Fair Value of Joint Venture"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_JointVentureFormationTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "JointVentureFormationTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVenture"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint Venture Formation [Text Block]",
        "terseLabel": "Joint Venture"
       }
      }
     },
     "auth_ref": []
    },
    "omex_JointVentureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "JointVentureLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint Venture [Line Items]",
        "documentation": "Joint venture."
       }
      }
     },
     "auth_ref": []
    },
    "omex_JointVentureTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "JointVentureTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint Venture [Table]",
        "documentation": "Joint venture."
       }
      }
     },
     "auth_ref": []
    },
    "omex_JointVenturesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "JointVenturesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint Ventures [Abstract]",
        "documentation": "Joint ventures abstract"
       }
      }
     },
     "auth_ref": []
    },
    "omex_LeaseTerms": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "LeaseTerms",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "LeaseTerms",
        "label": "Lease Terms",
        "documentation": "Lease terms."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LeasesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LeasesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Leases [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_LegalEntityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LegalEntityAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Legal Entity [Axis]",
        "documentation": "The set of legal entities associated with a report."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LegalFees": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LegalFees",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Legal Fees",
        "terseLabel": "Legal advisers contingent success fee"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "2024",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year One",
        "terseLabel": "Future payments of short-term leases, 2026"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year",
        "terseLabel": "Future payments of short-term leases, remainder of 2025"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Liabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "Liabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total liabilities",
        "label": "Liabilities",
        "terseLabel": "Total Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LiabilitiesAbstract",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesFairValueDisclosure": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LiabilitiesFairValueDisclosure",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities, Fair Value Disclosure",
        "totalLabel": "Liabilities",
        "terseLabel": "Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "omex_LitigationFinancingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "LitigationFinancingMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Litigation Financing.",
        "label": "Litigation Financing [Member]",
        "terseLabel": "Litigation financing"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LitigationSettlementAmountAwardedFromOtherParty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LitigationSettlementAmountAwardedFromOtherParty",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Amount settlement from vendor",
        "terseLabel": "Non-cash financing related to litigation financing",
        "label": "Litigation settlement, amount awarded from Mexico"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LitigationStatusAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LitigationStatusAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Litigation Status [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LitigationStatusDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LitigationStatusDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Litigation Status [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LoansNotesTradeAndOtherReceivablesDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNet"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Loans, Notes, Trade and Other Receivables Disclosure [Text Block]",
        "terseLabel": "Accounts Receivable and Other Related Party Receivables, Net"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LoansPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LoansPayable",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail": {
       "parentTag": "us-gaap_NotesAndLoansPayable",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Loans Payable, Total",
        "label": "Loans Payable",
        "terseLabel": "Loans payable",
        "verboseLabel": "Loans payable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LoansPayableCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LoansPayableCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableScheduleOfConsolidatedNotesPayableDetail2": {
       "parentTag": "us-gaap_NotesAndLoansPayable",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans payable, current portion",
        "negatedLabel": "Less: Current portion of loans payable",
        "totalLabel": "Loans Payable, Current, Total",
        "label": "Loans Payable, Current"
       }
      }
     },
     "auth_ref": []
    },
    "omex_LoansPayableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "LoansPayableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A category that describes the group of loans for which information is presented. For example, first mortgage, second mortgage, line of credit, etc.",
        "label": "Loans Payable (Text Block)",
        "terseLabel": "Loans Payable"
       }
      }
     },
     "auth_ref": []
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermDebtMeasurementInput": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LongTermDebtMeasurementInput",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term debt measurement input",
        "label": "Long-Term Debt, Measurement Input"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermLoansPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "LongTermLoansPayable",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableScheduleOfConsolidatedNotesPayableDetail2": {
       "parentTag": "us-gaap_NotesAndLoansPayable",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Loans payable-long term",
        "totalLabel": "Loans Payable, Noncurrent, Total",
        "terseLabel": "Amount receivable related to a loss contingency",
        "verboseLabel": "Loans payable"
       }
      }
     },
     "auth_ref": []
    },
    "srt_MajorCustomersAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MajorCustomersAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_March2023NoteMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "March2023NoteMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "March 2023 Note [Member]",
        "label": "March2023 Note [Member]",
        "documentation": "March2023 Note [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_March2023NotesAndMarch2023WarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "March2023NotesAndMarch2023WarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "March 2023 Notes and March 2023 Warrants [Member]",
        "documentation": "March 2023 Notes and March 2023 Warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_March2023WarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "March2023WarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "March 2023 Warrants [Member]",
        "label": "March 2023 Warrants [Member]",
        "documentation": "March 2023 warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_MarchTwoThousandAndTwentyThreeConversionOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "MarchTwoThousandAndTwentyThreeConversionOptionMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "March 2023 Conversion Option [Member]",
        "label": "March Two Thousand And Twenty Three Conversion Option [Member]",
        "documentation": "March two thousand and twenty three conversion option."
       }
      }
     },
     "auth_ref": []
    },
    "omex_MarchTwoThousandAndTwentyThreeNoteWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "MarchTwoThousandAndTwentyThreeNoteWarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "March 2023 Warrants [Member]",
        "label": "March Two Thousand And Twenty Three Note Warrants [Member]",
        "documentation": "March two thousand and twenty three note warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_MarchTwoThousandTwentyThreeNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "MarchTwoThousandTwentyThreeNotesMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "March Two Thousand Twenty Three Notes [Member]",
        "documentation": "March two thousand twenty three notes.",
        "terseLabel": "March 2023 Notes [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_MarchTwoThousandTwentythreeWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "MarchTwoThousandTwentythreeWarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "March 2023 Warrants",
        "label": "March Two Thousand Twentythree Warrants [Member]",
        "documentation": "March two thousand twentythree warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_MarineServicesRevenue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "MarineServicesRevenue",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Marine Services Revenue",
        "terseLabel": "Marine services revenue",
        "documentation": "Marine services revenue."
       }
      }
     },
     "auth_ref": []
    },
    "omex_MarkDGordonMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "MarkDGordonMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Mark D. Gordon [Member]",
        "documentation": "Mark D. Gordon."
       }
      }
     },
     "auth_ref": []
    },
    "srt_MaximumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MaximumMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum [Member]",
        "terseLabel": "Maximum",
        "verboseLabel": "Maximum [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_MeasureAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MeasureAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measure [Axis]",
        "terseLabel": "Measure:"
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "ecd_MeasureName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MeasureName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measure Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "us-gaap_MeasurementInputExercisePriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MeasurementInputExercisePriceMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input, Exercise Price [Member]",
        "terseLabel": "Measurement Input, Exercise Price [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputSharePriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MeasurementInputSharePriceMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input, Share Price [Member]",
        "terseLabel": "Measurement Input, Share Price [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MeasurementInputTypeAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MeasurementInputTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MeasurementInputTypeDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement Input Type [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MemberUnitsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MemberUnitsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Member Units [Member]",
        "terseLabel": "Member Interests"
       }
      }
     },
     "auth_ref": []
    },
    "omex_MergerAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "MergerAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Merger Agreement [Member]",
        "documentation": "Merger agreement.",
        "terseLabel": "Merger Agreement"
       }
      }
     },
     "auth_ref": []
    },
    "srt_MinimumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MinimumMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum [Member]",
        "label": "Minimum [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MinorityInterestOwnershipPercentageByParent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MinorityInterestOwnershipPercentageByParent",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Percentage of equity interest",
        "label": "Subsidiary, Ownership Percentage, Parent",
        "verboseLabel": "Indirect interest percentage"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_MnpiDiscTimedForCompValFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MnpiDiscTimedForCompValFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MNPI Disclosure Timed for Compensation Value [Flag]",
        "terseLabel": "MNPI Disclosure Timed for Compensation Value"
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "ecd_MtrlTermsOfTrdArrTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MtrlTermsOfTrdArrTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Terms of Trading Arrangement [Text Block]",
        "terseLabel": "Material Terms of Trading Arrangement"
       }
      }
     },
     "auth_ref": [
      "r75"
     ]
    },
    "srt_NameOfMajorCustomerDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "NameOfMajorCustomerDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NamedExecutiveOfficersFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NamedExecutiveOfficersFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Named Executive Officers, Footnote [Text Block]",
        "terseLabel": "Named Executive Officers, Footnote"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "us-gaap_NetIncomeLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NetIncomeLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Income (Loss)",
        "terseLabel": "Net Income (Loss)",
        "totalLabel": "NET (LOSS) INCOME attributable to Odyssey Marine Exploration, Inc.",
        "verboseLabel": "Net (Loss) Income"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basic net income (loss) available to stockholders",
        "label": "Net Income (Loss) Available to Common Stockholders, Basic",
        "totalLabel": "Net Income (Loss) Available to Common Stockholders, Basic, Total",
        "verboseLabel": "Basic net (loss) income available to stockholders"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasicAbstract",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Numerator:",
        "label": "Net Income (Loss) Available to Common Stockholders, Basic [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NetIncomeLossAvailableToCommonStockholdersDiluted",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Diluted net (loss) income available to stockholders",
        "label": "Net Income (Loss) Available to Common Stockholders, Diluted",
        "totalLabel": "Diluted net (loss) income available to stockholders"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update and Change in Accounting Principle [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "Accounting Standards Not Yet Adopted"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NonGaapMeasureDescriptionTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonGaapMeasureDescriptionTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-GAAP Measure Description [Text Block]",
        "terseLabel": "Non-GAAP Measure Description"
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "ecd_NonNeosMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonNeosMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-NEOs [Member]",
        "terseLabel": "Non-NEOs"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r22",
      "r32",
      "r56",
      "r64"
     ]
    },
    "ecd_NonPeoNeoAvgCompActuallyPaidAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonPeoNeoAvgCompActuallyPaidAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO Average Compensation Actually Paid Amount",
        "terseLabel": "Non-PEO NEO Average Compensation Actually Paid Amount"
       }
      }
     },
     "auth_ref": [
      "r39"
     ]
    },
    "ecd_NonPeoNeoAvgTotalCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonPeoNeoAvgTotalCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO Average Total Compensation Amount",
        "terseLabel": "Non-PEO NEO Average Total Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r38"
     ]
    },
    "ecd_NonPeoNeoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonPeoNeoMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO [Member]",
        "terseLabel": "Non-PEO NEO"
       }
      }
     },
     "auth_ref": [
      "r56"
     ]
    },
    "omex_NonRestrictedCashBalance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "NonRestrictedCashBalance",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non restricted cash balance",
        "label": "Non Restricted Cash Balance",
        "documentation": "Non Restricted Cash Balance."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NonRule10b51ArrAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonRule10b51ArrAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-Rule 10b5-1 Arrangement Adopted [Flag]",
        "terseLabel": "Non-Rule 10b5-1 Arrangement Adopted"
       }
      }
     },
     "auth_ref": [
      "r75"
     ]
    },
    "ecd_NonRule10b51ArrTrmntdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonRule10b51ArrTrmntdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-Rule 10b5-1 Arrangement Terminated [Flag]",
        "terseLabel": "Non-Rule 10b5-1 Arrangement Terminated"
       }
      }
     },
     "auth_ref": [
      "r75"
     ]
    },
    "omex_NoteConversionOptionOne": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "NoteConversionOptionOne",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail": {
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Note Conversion Option One",
        "documentation": "Note conversion option one.",
        "terseLabel": "March 2023 Note Conversion Option"
       }
      }
     },
     "auth_ref": []
    },
    "omex_NoteConversionOptionTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "NoteConversionOptionTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail": {
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Note Conversion Option Two",
        "documentation": "Note conversion option two.",
        "terseLabel": "December 2023 Note Conversion Option"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NotesAndLoansPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NotesAndLoansPayable",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableScheduleOfConsolidatedNotesPayableDetail2": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total Loans payable, net",
        "label": "Notes and Loans Payable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NotesPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NotesPayable",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Notes Payable",
        "totalLabel": "Notes Payable, Total",
        "terseLabel": "Promissory note"
       }
      }
     },
     "auth_ref": []
    },
    "omex_NoticePeriodForOptionToPurchasePropertyPriorToLeaseExpirationTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "NoticePeriodForOptionToPurchasePropertyPriorToLeaseExpirationTerm",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Notice Period for Option to Purchase Property Prior to Lease Expiration Term",
        "documentation": "Notice period for option to purchase property prior to lease expiration term.",
        "terseLabel": "Notice period for option to purchase property prior to lease expiration term"
       }
      }
     },
     "auth_ref": []
    },
    "omex_NumberOfCustomers": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "NumberOfCustomers",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number Of Customers",
        "terseLabel": "Number of customers",
        "documentation": "Number of customers."
       }
      }
     },
     "auth_ref": []
    },
    "omex_NumberOfMemberUnitsIssuedForCommonStock": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "NumberOfMemberUnitsIssuedForCommonStock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of Member Units Issued for Common Stock",
        "documentation": "Number of member units issued for common stock.",
        "terseLabel": "Number of member units issued for common stock"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NumberOfOperatingSegments": {
     "xbrltype": "integerItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NumberOfOperatingSegments",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of operating segment",
        "label": "Number of Operating Segments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NumberOfReportableSegments": {
     "xbrltype": "integerItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NumberOfReportableSegments",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of Reportable Segments"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OMLEquityExchangeAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OMLEquityExchangeAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "OML Equity Exchange Agreement [Member]",
        "documentation": "OML Equity Exchange Agreement.",
        "terseLabel": "OML Equity Exchange Agreement"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OceanMineralsLlcMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OceanMineralsLlcMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Ocean Minerals, LLC [Member]",
        "label": "Ocean Minerals LLC [Member]",
        "documentation": "Ocean minerals llc."
       }
      }
     },
     "auth_ref": []
    },
    "omex_OceanicaEquityExchangeAgreementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OceanicaEquityExchangeAgreementsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Oceanica Equity Exchange Agreements [Member]",
        "documentation": "Oceanica Equity Exchange Agreements [Member].",
        "terseLabel": "Oceanica Equity Exchange Agreements"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OceanicaMarineOperationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OceanicaMarineOperationsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Oceanica marine operations.",
        "label": "Oceanica Marine Operations [Member]",
        "terseLabel": "Oceanica Marine Operations [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OceanicaMexicoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OceanicaMexicoMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Oceanica Mexico [Member]",
        "documentation": "Oceanica Mexico."
       }
      }
     },
     "auth_ref": []
    },
    "omex_OceanicaResourcesMexicoSDeRLDeCVMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OceanicaResourcesMexicoSDeRLDeCVMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ORM [Member]",
        "label": "Oceanica Resources Mexico, S. De R.L. De C.V. [Member]",
        "documentation": "Oceanica resources mexico, S. De R.L. De C.V.",
        "verboseLabel": "Oceanica Resources Mexico, S. de R.L. de C.V."
       }
      }
     },
     "auth_ref": []
    },
    "omex_OceanicaResourcesSDeRLMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OceanicaResourcesSDeRLMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Oceanica Resources, S. De R.L. [Member]",
        "documentation": "Oceanica resources, s. de r.l.",
        "terseLabel": "Oceanica [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OdysseyNotePurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OdysseyNotePurchaseAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Odyssey Note Purchase Agreement",
        "label": "Odyssey Note Purchase Agreement [Member]",
        "documentation": "Odyssey note purchase agreement."
       }
      }
     },
     "auth_ref": []
    },
    "omex_OdysseyNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OdysseyNotesMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Odyssey Notes [Member]",
        "documentation": "Odyssey notes.",
        "terseLabel": "Odyssey Notes"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OdysseysCommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OdysseysCommonStockMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Odyssey's Common Stock [Member]",
        "documentation": "Odyssey's Common Stock [Member]."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingCostsAndExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OperatingCostsAndExpenses",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Invoiced for technical services",
        "label": "Operating Costs and Expenses",
        "totalLabel": "Operating Costs and Expenses, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OperatingLeaseCost",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Lease, Cost",
        "verboseLabel": "Lease rent expense"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLossCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OperatingLossCarryforwards",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Loss Carryforwards",
        "verboseLabel": "Net operating loss carryforwards"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OperatingLossCarryforwardsExpirationBeginningYear": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OperatingLossCarryforwardsExpirationBeginningYear",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Operating loss carryforwards expiration beginning year.",
        "label": "Operating Loss Carryforwards Expiration Beginning Year",
        "terseLabel": "Net operating loss carryforwards expiration year"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyEightThroughTwoThousandAndThirtySevenMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OperatingLossCarryforwardsExpiringTwoThousandAndTwentyEightThroughTwoThousandAndThirtySevenMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Operating Loss Carryforwards Expiring Two Thousand And Twenty Eight Through Two Thousand And Thirty Seven [Member]",
        "label": "Operating Loss Carryforwards Expiring Two Thousand And Twenty Eight Through Two Thousand And Thirty Seven [Member]",
        "terseLabel": "2028 Through 2037 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OperatingLossCarryforwardsExpiringTwoThousandAndTwentySixThroughTwoThousandAndTwentySevenMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OperatingLossCarryforwardsExpiringTwoThousandAndTwentySixThroughTwoThousandAndTwentySevenMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2026 through 2027 [Member]",
        "label": "Operating Loss Carryforwards Expiring Two Thousand And Twenty Six Through Two Thousand And Twenty Seven [Member]",
        "documentation": "Operating loss carryforwards expiring two thousand and twenty six through two thousand and twenty seven."
       }
      }
     },
     "auth_ref": []
    },
    "omex_OperationsAndResearchExpenseExcludingCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OperationsAndResearchExpenseExcludingCompensation",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "omex_SignificantExpenses",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operations and research (excluding compensation)",
        "label": "Operations And Research Expense Excluding Compensation",
        "documentation": "Operations and research expense excluding compensation."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentation1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "verboseLabel": "Business and Basis of Presentation"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OtherAccountsReceivableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OtherAccountsReceivableMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other accounts receivable.",
        "label": "Other Accounts Receivable [Member]",
        "terseLabel": "Other [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherAssetsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OtherAssetsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other current assets",
        "label": "Other Assets, Current",
        "verboseLabel": "Total other current assets",
        "totalLabel": "Total other current assets"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherAssetsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OtherAssetsDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssets1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Current Assets",
        "label": "Other Assets Disclosure [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherCommitmentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OtherCommitmentsLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Settlement Of outstanding Liabilities",
        "label": "Other Commitments [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherCommitmentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "OtherCommitmentsTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Commitments [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_OtherPerfMeasureAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OtherPerfMeasureAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Performance Measure, Amount",
        "terseLabel": "Other Performance Measure, Amount"
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "ecd_OutstandingAggtErrCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OutstandingAggtErrCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Aggregate Erroneous Compensation Amount",
        "terseLabel": "Outstanding Aggregate Erroneous Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r10",
      "r20",
      "r30",
      "r62"
     ]
    },
    "ecd_OutstandingRecoveryCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OutstandingRecoveryCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Recovery Compensation Amount",
        "terseLabel": "Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r23",
      "r33",
      "r65"
     ]
    },
    "ecd_OutstandingRecoveryIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OutstandingRecoveryIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Recovery, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r23",
      "r33",
      "r65"
     ]
    },
    "srt_OwnershipAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "OwnershipAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ownership [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_OwnershipDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "OwnershipDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ownership [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_OwnershipPercentageInJointVenture": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "OwnershipPercentageInJointVenture",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ownership Percentage In Joint Venture",
        "documentation": "Ownership percentage in joint venture.",
        "terseLabel": "Equity interests in joint venture"
       }
      }
     },
     "auth_ref": []
    },
    "omex_PaidInCashCapitalizedPrincipal": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PaidInCashCapitalizedPrincipal",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Paid in cash capitalized principal",
        "label": "Paid In Cash Capitalized Principal",
        "documentation": "Paid in cash capitalized principal."
       }
      }
     },
     "auth_ref": []
    },
    "omex_PaidInKindInterestIntoDebtPrincipal": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PaidInKindInterestIntoDebtPrincipal",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Paid in kind interest into capitalized principal",
        "label": "Paid In Kind Interest Into Debt Principal",
        "documentation": "Paid in kind interest into debt principal."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PayVsPerformanceDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PayVsPerformanceDisclosureLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance Disclosure [Line Items]",
        "terseLabel": "Pay vs Performance Disclosure"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "us-gaap_PayablesAndAccrualsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PayablesAndAccrualsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Payables and Accruals [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_PayablesAndAccrualsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PayablesAndAccrualsLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Payables and Accruals [Line Items]",
        "label": "Payables and Accruals [Line Items]",
        "documentation": "Payables and accruals."
       }
      }
     },
     "auth_ref": []
    },
    "omex_PayablesAndAccrualsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PayablesAndAccrualsTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payables and Accruals [Table]",
        "documentation": "Payables and accruals."
       }
      }
     },
     "auth_ref": []
    },
    "omex_PaymentOfTransaction-RelatedTaxes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PaymentOfTransaction-RelatedTaxes",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payment of Transaction-related Taxes",
        "documentation": "Payment of transaction-related taxes.",
        "terseLabel": "Payment of transaction-related taxes"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsOfStockIssuanceCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PaymentsOfStockIssuanceCosts",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Conversion of debt to common stock",
        "terseLabel": "Offering cost paid on sale of common stock",
        "label": "Payments of Stock Issuance Costs",
        "negatedTerseLabel": "Equity issuance costs"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsToAcquireInterestInJointVenture": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PaymentsToAcquireInterestInJointVenture",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments to Acquire Interest in Joint Venture",
        "terseLabel": "Cash contributions to joint venture",
        "negatedLabel": "Cash paid for investment in unconsolidated entity"
       }
      }
     },
     "auth_ref": []
    },
    "omex_PayrollExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PayrollExpenses",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Payroll expenses",
        "documentation": "Payroll expenses.",
        "label": "Payroll Expenses",
        "negatedLabel": "Payroll expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PeerGroupIssuersFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeerGroupIssuersFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Peer Group Issuers, Footnote [Text Block]",
        "terseLabel": "Peer Group Issuers, Footnote"
       }
      }
     },
     "auth_ref": [
      "r47"
     ]
    },
    "ecd_PeerGroupTotalShareholderRtnAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeerGroupTotalShareholderRtnAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Peer Group Total Shareholder Return Amount",
        "terseLabel": "Peer Group Total Shareholder Return Amount"
       }
      }
     },
     "auth_ref": [
      "r47"
     ]
    },
    "us-gaap_PendingLitigationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PendingLitigationMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Pending Litigation [Member]",
        "label": "Pending Litigation [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PeoActuallyPaidCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoActuallyPaidCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Actually Paid Compensation Amount",
        "terseLabel": "PEO Actually Paid Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r39"
     ]
    },
    "ecd_PeoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO [Member]",
        "terseLabel": "PEO"
       }
      }
     },
     "auth_ref": [
      "r56"
     ]
    },
    "ecd_PeoName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Name",
        "terseLabel": "PEO Name"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "ecd_PeoTotalCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoTotalCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Total Compensation Amount",
        "terseLabel": "PEO Total Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r38"
     ]
    },
    "omex_PercentageOfIssuedAndOutstandingMembershipOwned": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PercentageOfIssuedAndOutstandingMembershipOwned",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of issued and outstanding membership owned.",
        "terseLabel": "Percentage of issued and outstanding membership owned",
        "label": "Percentage Of Issued And Outstanding Membership Owned"
       }
      }
     },
     "auth_ref": []
    },
    "omex_PhosagmexJointVentureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PhosagmexJointVentureMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phosagmex Joint Venture [Member]",
        "documentation": "Phosagmex joint venture.",
        "terseLabel": "Phosagmex Joint Venture"
       }
      }
     },
     "auth_ref": []
    },
    "omex_PhosagmexSAPIDeCVMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PhosagmexSAPIDeCVMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phosagmex, S.A.P.I. de C.V. [Member]",
        "documentation": "Phosagmex, S.A.P.I. de C.V.",
        "terseLabel": "Phosagmex, S.A.P.I. de C.V."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PnsnAdjsPrrSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PnsnAdjsPrrSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Adjustments Prior Service Cost [Member]",
        "terseLabel": "Pension Adjustments Prior Service Cost"
       }
      }
     },
     "auth_ref": [
      "r40"
     ]
    },
    "ecd_PnsnAdjsSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PnsnAdjsSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Adjustments Service Cost [Member]",
        "terseLabel": "Pension Adjustments Service Cost"
       }
      }
     },
     "auth_ref": [
      "r84"
     ]
    },
    "ecd_PnsnBnftsAdjFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PnsnBnftsAdjFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Benefits Adjustments, Footnote [Text Block]",
        "terseLabel": "Pension Benefits Adjustments, Footnote"
       }
      }
     },
     "auth_ref": [
      "r39"
     ]
    },
    "omex_PoplarFallsLlcMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PoplarFallsLlcMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Poplar Falls LLC [Member]",
        "documentation": "Poplar Falls Llc Member"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PortionAtFairValueFairValueDisclosureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PortionAtFairValueFairValueDisclosureMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "axisDefault": "Portion at Fair Value Measurement [Member] [Default]",
        "label": "Portion at Fair Value Measurement [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_PreFeasibilityStudyAndBeforeTheIssuanceOfTrialHarvestingLicenseMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PreFeasibilityStudyAndBeforeTheIssuanceOfTrialHarvestingLicenseMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Pre-feasibility Study and Before the Issuance of Trial Harvesting License",
        "label": "Pre Feasibility Study and Before the Issuance of Trial Harvesting License [Member]",
        "documentation": "Pre feasibility study and before the issuance of trial harvesting license."
       }
      }
     },
     "auth_ref": []
    },
    "omex_PreFeasibilityStudyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PreFeasibilityStudyMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Pre-feasibility Study",
        "label": "Pre Feasibility Study [Member]",
        "documentation": "Pre feasibility study."
       }
      }
     },
     "auth_ref": []
    },
    "omex_PrePublicFinancingAcquired": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PrePublicFinancingAcquired",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pre-public financing acquired.",
        "label": "Pre-public Financing Acquired",
        "terseLabel": "Pre-public financing"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PrepaidExpenseAndOtherAssetsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail": {
       "parentTag": "us-gaap_OtherAssetsCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Prepaid Expense and Other Assets, Current"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PrepaidExpenseCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PrepaidExpenseCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail": {
       "parentTag": "us-gaap_OtherAssetsCurrent",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Prepaid assets",
        "label": "Prepaid Expense, Current",
        "totalLabel": "Prepaid Expense, Current, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromIssuanceOfPrivatePlacement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ProceedsFromIssuanceOfPrivatePlacement",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Issuance of private placement",
        "label": "Proceeds from Issuance of Private Placement"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromIssuanceOfWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ProceedsFromIssuanceOfWarrants",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Proceeds from Issuance of Warrants",
        "terseLabel": "Net proceeds received from sale",
        "label": "Warrants issued"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ProceedsFromSaleOfPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proceeds from sale of equipment",
        "label": "Proceeds from Sale of Property, Plant, and Equipment",
        "totalLabel": "Proceeds from Sale of Property, Plant, and Equipment, Total"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProfessionalFees": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ProfessionalFees",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "omex_SignificantExpenses",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Professional Fees",
        "terseLabel": "Consultants contingent success fees",
        "verboseLabel": "Professional fees"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProfitLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ProfitLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "INCOME/(LOSS)",
        "label": "Net income from operations",
        "totalLabel": "NET INCOME (LOSS)",
        "verboseLabel": "Net (loss) income"
       }
      }
     },
     "auth_ref": []
    },
    "omex_PurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PurchaseAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchase Agreement [Member]",
        "label": "Purchase Agreement [Member]",
        "documentation": "Purchase agreement."
       }
      }
     },
     "auth_ref": []
    },
    "omex_PurchasePriceOfWarrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "PurchasePriceOfWarrants",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase Price of Warrants",
        "documentation": "Purchase price of warrants.",
        "terseLabel": "Purchase price of warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PutOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "PutOptionMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Put Option Liability [Member]",
        "label": "Put Option [Member]",
        "verboseLabel": "Put Options"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PvpTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PvpTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance Disclosure [Table]",
        "terseLabel": "Pay vs Performance Disclosure"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "ecd_PvpTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PvpTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance [Table Text Block]",
        "terseLabel": "Pay vs Performance Disclosure, Table"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "srt_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Range [Axis]",
        "label": "Statistical Measurement [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_RangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Range [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ReceivableTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ReceivableTypeDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Receivable [Domain]",
        "terseLabel": "Receivable [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ReceivablesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ReceivablesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Receivables [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_RecoveryOfErrCompDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RecoveryOfErrCompDisclosureLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Recovery of Erroneously Awarded Compensation Disclosure [Line Items]",
        "terseLabel": "Recovery of Erroneously Awarded Compensation Disclosure"
       }
      }
     },
     "auth_ref": [
      "r5",
      "r15",
      "r25",
      "r57"
     ]
    },
    "us-gaap_RelatedPartyDepositLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RelatedPartyDepositLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Deposit Liabilities",
        "terseLabel": "Earnest Money Deposit Advanced"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RelatedPartyDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related and Nonrelated Parties [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RelatedPartyMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Related Party [Member]",
        "label": "Related Party [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyTransactionLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RelatedPartyTransactionLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Transaction [Line Items]",
        "terseLabel": "Related Party Transaction [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyTransactionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RelatedPartyTransactionsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Transactions [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related and Nonrelated Parties [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RelatedPartyTransactionsDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactions"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Transactions Disclosure [Text Block]",
        "terseLabel": "Related Party Transactions"
       }
      }
     },
     "auth_ref": []
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Domain]",
        "terseLabel": "Counterparty Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_RestatementDateAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RestatementDateAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Determination Date [Axis]",
        "terseLabel": "Restatement Determination Date:"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r16",
      "r26",
      "r58"
     ]
    },
    "ecd_RestatementDeterminationDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RestatementDeterminationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Determination Date",
        "terseLabel": "Restatement Determination Date"
       }
      }
     },
     "auth_ref": [
      "r7",
      "r17",
      "r27",
      "r59"
     ]
    },
    "ecd_RestatementDoesNotRequireRecoveryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RestatementDoesNotRequireRecoveryTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Does Not Require Recovery [Text Block]",
        "terseLabel": "Restatement does not require Recovery"
       }
      }
     },
     "auth_ref": [
      "r14",
      "r24",
      "r34",
      "r66"
     ]
    },
    "us-gaap_RestrictedStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RestrictedStockMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restricted Stock [Member]",
        "terseLabel": "Restricted Stock Units"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RevenueFromContractWithCustomerIncludingAssessedTax",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from Contract with Customer, Including Assessed Tax",
        "terseLabel": "Revenue",
        "verboseLabel": "Total revenue"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_Revenues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "Revenues",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureSummaryOfFinancialInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenues",
        "totalLabel": "Revenues, Total",
        "terseLabel": "Revenue"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RisksAndUncertaintiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "RisksAndUncertaintiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Risks and Uncertainties [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_Rule10b51ArrAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "Rule10b51ArrAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rule 10b5-1 Arrangement Adopted [Flag]",
        "terseLabel": "Rule 10b5-1 Arrangement Adopted"
       }
      }
     },
     "auth_ref": [
      "r75"
     ]
    },
    "ecd_Rule10b51ArrTrmntdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "Rule10b51ArrTrmntdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rule 10b5-1 Arrangement Terminated [Flag]",
        "terseLabel": "Rule 10b5-1 Arrangement Terminated"
       }
      }
     },
     "auth_ref": [
      "r75"
     ]
    },
    "us-gaap_SalariesAndWages": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SalariesAndWages",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Salaries and Wages",
        "label": "Salary and Wage, NonOfficer, Excluding Cost of Good and Service Sold"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SaleLeasebackCarryingValueOfFinancingLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SaleLeasebackCarryingValueOfFinancingLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale leaseback carrying value of financing liabilities",
        "terseLabel": "Sale-leaseback carrying value of financing liabilities",
        "label": "Sale Leaseback Carrying Value Of Financing Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SaleLeasebackTransactionDatedAprilFourTwoThousandAndTwentyThrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SaleLeasebackTransactionDatedAprilFourTwoThousandAndTwentyThrMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sale-leaseback Transaction Dated April 4, 2023 [Member]",
        "label": "Sale Leaseback Transaction Dated April Four Two Thousand And Twenty Thr [Member]",
        "documentation": "Sale Leaseback Transaction Dated April Four Two Thousand And Twenty Thr."
       }
      }
     },
     "auth_ref": []
    },
    "omex_SaleLeasebackTransactionDatedAprilFourTwoThousandAndTwentyThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SaleLeasebackTransactionDatedAprilFourTwoThousandAndTwentyThreeMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale Leaseback Transaction Dated April Four Two Thousand and Twenty Three [Member]",
        "documentation": "Sale leaseback transaction dated April 4, 2023.",
        "terseLabel": "Sale-leaseback Transaction Dated April 4, 2023 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SaleLeasebackTransactionDatedJuneThirtyTwoThousandAndTwentyThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SaleLeasebackTransactionDatedJuneThirtyTwoThousandAndTwentyThreeMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sale Leaseback Transaction Dated June 30, 2023 [Member]",
        "label": "Sale Leaseback Transaction Dated June Thirty Two Thousand And Twenty Three [Member]",
        "documentation": "Sale Leaseback Transaction Dated June 30, 2023."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleLeasebackTransactionDescriptionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleLeasebackTransactionDescriptionAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale Leaseback Transaction, Description [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleLeasebackTransactionDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleLeasebackTransactionDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligations1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sale-leaseback Financing Obligations",
        "label": "Sale Leaseback Transactions [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleLeasebackTransactionLeaseTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleLeasebackTransactionLeaseTerm",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sale-leaseback transaction term",
        "label": "Sale Leaseback Transaction, Lease Term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleLeasebackTransactionLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleLeasebackTransactionLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale Leaseback Transaction [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleLeasebackTransactionNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleLeasebackTransactionNameDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale Leaseback Transaction, Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleLeasebackTransactionTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleLeasebackTransactionTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale Leaseback Transaction [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockConsiderationReceivedPerTransaction": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleOfStockConsiderationReceivedPerTransaction",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale of Stock, Consideration Received Per Transaction",
        "terseLabel": "Aggregate purchase price"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleOfStockNumberOfSharesIssuedInTransaction",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shares issued and sold",
        "verboseLabel": "Purchase of number of shares",
        "terseLabel": "Sale of stock, Number of shares issued in transaction"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SaleOfStockPricePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SaleOfStockPricePerShare",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale of Stock, Price Per Share",
        "terseLabel": "Purchase price per share"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SaleOfStockRemainingOptionsToPurchaseOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SaleOfStockRemainingOptionsToPurchaseOutstanding",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale of Stock, Remaining Options to Purchase Outstanding",
        "documentation": "Sale of stock, remaining options to purchase outstanding.",
        "terseLabel": "Remaining options to purchase outstanding"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SalesRevenueNetMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SalesRevenueNetMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sales Revenue, Net [Member]",
        "label": "Revenue Benchmark [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts and Financing Receivables [Table]",
        "terseLabel": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]",
        "terseLabel": "Summary of Accounts Receivable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfAccruedLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureAccruedExpensesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Components of Accrued Expenses",
        "label": "Schedule of Accrued Liabilities [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antidilutive Security, Excluded EPS Calculation [Table]",
        "terseLabel": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]",
        "terseLabel": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]",
        "terseLabel": "Summary of Fair Values and Related Carrying Values of Financial Instruments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfDebtInstrumentsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfDebtInstrumentsTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Long-Term Debt Instruments [Table Text Block]",
        "terseLabel": "Schedule of Consolidated Notes Payable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]",
        "terseLabel": "Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Revenue by Major Customers, by Reporting Segments [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment, Name [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfEquityMethodInvestmentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfEquityMethodInvestmentsLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Equity Method Investments [Line Items]",
        "terseLabel": "Schedule of Equity Method Investments [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfEquityMethodInvestmentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfEquityMethodInvestmentsTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Method Investment [Table]",
        "terseLabel": "Schedule of Equity Method Investments [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ScheduleOfFinancialInformationTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ScheduleOfFinancialInformationTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureJointVentureTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of Finnancial Information",
        "label": "Schedule of Financial Information [Table Text Block]",
        "documentation": "Schedule of financial information."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfOtherCurrentAssetsTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureOtherCurrentAssetsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of Other Current Assets",
        "label": "Schedule of Other Current Assets [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfQuarterlyFinancialInformationTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Quarterly Financial Information [Table Text Block]",
        "terseLabel": "Schedule Of Financial Information"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Transaction [Table]",
        "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Significant Segment Expenses, Segment Net Revenues, and the Segment Performance Measure, Net Loss",
        "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Option, Activity [Table Text Block]",
        "terseLabel": "Summary of Stock Option Activity"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of Options Valued in Estimated on Date of Grant Using Black-Scholes Option-Pricing Model with Following Assumptions Used for Grants Issued",
        "label": "Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]",
        "terseLabel": "Estimated Fair Value of Restricted Stock Award"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]",
        "terseLabel": "Summary of Changes in Warrants Outstanding"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SecuritiesPurchaseAgreementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SecuritiesPurchaseAgreementMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Securities Purchase Agreement [Member]",
        "documentation": "Securities Purchase Agreement.",
        "terseLabel": "SPA"
       }
      }
     },
     "auth_ref": []
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of 12(b) Security",
        "terseLabel": "Title of 12(b) Security",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "us-gaap_SegmentReportingAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SegmentReportingAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SegmentReportingCodmProfitLossMeasureHowUsedDescription",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SegmentReportingDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReporting"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "Segment Reporting"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingOtherItemAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SegmentReportingOtherItemAmount",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "omex_SignificantExpensesAndSegmentReportingOtherItemAmount",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting, Other Segment Item, Amount",
        "terseLabel": "Other segment items gain"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SegmentReportingPolicyPolicyTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Segment Reporting",
        "label": "Segment Reporting, Policy [Policy Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_Share-BasedCompensationArrangementByShare-BasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledInPeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "Share-BasedCompensationArrangementByShare-BasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledInPeriod",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Cancelled in Period",
        "documentation": "Share-based compensation arrangement by share-based payment award, equity instruments other than options, cancelled in period.",
        "terseLabel": "Number of Shares, Cancelled"
       }
      }
     },
     "auth_ref": []
    },
    "omex_Share-BasedCompensationArrangementByShare-BasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledWeightedAverageGrantDateFairValue": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "Share-BasedCompensationArrangementByShare-BasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledWeightedAverageGrantDateFairValue",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share-based compensation arrangement by share-based payment award, equity instruments other than options, cancelled, weighted average grant date fair value.",
        "terseLabel": "Weighted Average Grant Date Fair Value, Cancelled",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Cancelled, Weighted Average Grant Date Fair Value"
       }
      }
     },
     "auth_ref": []
    },
    "omex_Share-BasedCompensationArrangementByShare-BasedPaymentAwardOptionsIssued": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "Share-BasedCompensationArrangementByShare-BasedPaymentAwardOptionsIssued",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Issued",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Issued",
        "documentation": "Share-based compensation arrangement by share-based payment award, options, issued."
       }
      }
     },
     "auth_ref": []
    },
    "omex_Share-BasedCompensationArrangementsByShare-BasedPaymentAwardOptionsIssuedWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "Share-BasedCompensationArrangementsByShare-BasedPaymentAwardOptionsIssuedWeightedAverageExercisePrice",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Issued, Weighted Average Exercise Price",
        "documentation": "Share-based compensation arrangements by share-based payment award, options, issued, weighted average exercise price.",
        "terseLabel": "Weighted Average Exercise Price, Issued"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Number of Shares, Granted"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted Average Grant Date Fair Value, Granted",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number",
        "periodEndLabel": "Number of Shares Unvested, Ending Balance",
        "periodStartLabel": "Number of Shares Unvested, Beginning Balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodEndLabel": "Weighted Average Grant Date Fair Value Unvested, Ending Balance",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value",
        "periodStartLabel": "Weighted Average Grant Date Fair Value Unvested, Beginning Balance"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period",
        "negatedLabel": "Number of Shares, Vested"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value",
        "terseLabel": "Weighted Average Grant Date Fair Value, Vested"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Expected dividend yield",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Expected volatility",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Risk free interest rate",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number",
        "terseLabel": "Number of Shares, Options exercisable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price",
        "terseLabel": "Weighted Average Exercise Price, Options exercisable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period",
        "terseLabel": "Cancellation/Expiration",
        "negatedLabel": "Cancellation/Expiration"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of stock options granted",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Grant-date fair value",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number",
        "periodEndLabel": "Number of Shares, Outstanding, Ending",
        "periodStartLabel": "Number of Shares, Outstanding, Beginning"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price",
        "periodStartLabel": "Weighted Average Exercise Price Outstanding, Beginning",
        "periodEndLabel": "Weighted Average Exercise Price, Outstanding, Ending"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Plan Modification, Incremental Cost",
        "terseLabel": "Compensation quota, incremental value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails",
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Award Types",
        "terseLabel": "All Award Types"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted Average Exercise Price, Exercised",
        "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted Average Exercise Price, Cancellation/Expiration",
        "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationAwardTrancheOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationAwardTrancheOneMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First tranche",
        "label": "Share-Based Payment Arrangement, Tranche One [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationAwardTrancheTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationAwardTrancheTwoMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Payment Arrangement, Tranche Two [Member]",
        "terseLabel": "Second tranche"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharePrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SharePrice",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Price",
        "terseLabel": "Exchange value per share"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ShareRedemptionPrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ShareRedemptionPrice",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Redemption Price",
        "documentation": "Share redemption price.",
        "terseLabel": "Redemption price per share"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Expected life",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term",
        "terseLabel": "Weighted Average Life , Options exercisable"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted Average Life , Outstanding, Ending",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SignificantAccountingPoliciesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SignificantAccountingPoliciesTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Significant Accounting Policies [Text Block]",
        "verboseLabel": "Summary of Significant Accounting Policies"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SignificantExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SignificantExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "omex_SignificantExpensesAndSegmentReportingOtherItemAmount",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Significant Expenses",
        "documentation": "Significant expenses.",
        "terseLabel": "Total Significant Expenses",
        "totalLabel": "Total Significant Expenses"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SignificantExpensesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SignificantExpensesAbstract",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Significant Expenses Abstract",
        "documentation": "Significant expenses abstract.",
        "terseLabel": "Less significant expenses:"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SignificantExpensesAndSegmentReportingOtherItemAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SignificantExpensesAndSegmentReportingOtherItemAmount",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail": {
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total Significant Expenses and Other Segment Items",
        "label": "Significant Expenses And Segment Reporting Other Item Amount",
        "documentation": "Significant expenses and segment reporting other item amount."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StatementEquityComponentsAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_StkPrcOrTsrEstimationMethodTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "StkPrcOrTsrEstimationMethodTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Price or TSR Estimation Method [Text Block]",
        "terseLabel": "Stock Price or TSR Estimation Method"
       }
      }
     },
     "auth_ref": [
      "r9",
      "r19",
      "r29",
      "r61"
     ]
    },
    "us-gaap_StockAppreciationRightsSARSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StockAppreciationRightsSARSMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Appreciation Rights (SARs) [Member]",
        "terseLabel": "Stock Appreciation Rights (SARs)"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfStockOptionActivityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Exercised",
        "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period",
        "verboseLabel": "Employees stock options exercised, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StockIssuedDuringPeriodValuePurchaseOfAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Issued During Period, Value, Purchase of Assets",
        "terseLabel": "Remaining purchase of notes"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockRedeemedOrCalledDuringPeriodShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StockRedeemedOrCalledDuringPeriodShares",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Redeemed or Called During Period, Shares",
        "terseLabel": "Shares redeemed as per agreement"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockholdersEquityNoteAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StockholdersEquityNoteAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Stockholders' Equity Note [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StockholdersEquityNoteDisclosureTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficit1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stockholders' Equity/(Deficit)",
        "label": "Equity [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SubsequentEventLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SubsequentEventMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subsequent Event [Member]",
        "label": "Subsequent Event [Member]",
        "verboseLabel": "Subsequent Event"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SubsequentEventTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SubsequentEventTypeAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SubsequentEventTypeDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Event Type [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SubsequentEventsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Events [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "SubsequentEventsTextBlock",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEvents"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Events [Text Block]",
        "terseLabel": "Subsequent Events"
       }
      }
     },
     "auth_ref": []
    },
    "omex_SummaryOfSignificantAccountingPoliciesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SummaryOfSignificantAccountingPoliciesLineItems",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Summary Of Significant Accounting Policies [Line Items]",
        "documentation": "Summary of significant accounting policies."
       }
      }
     },
     "auth_ref": []
    },
    "omex_SummaryOfSignificantAccountingPoliciesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "SummaryOfSignificantAccountingPoliciesTable",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Summary Of Significant Accounting Policies [Table]",
        "documentation": "Summary of significant accounting policies."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TabularListTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TabularListTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tabular List [Table Text Block]",
        "terseLabel": "Tabular List, Table"
       }
      }
     },
     "auth_ref": [
      "r55"
     ]
    },
    "us-gaap_TextBlockAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "TextBlockAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Text Block [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ThirdPartyConsultantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ThirdPartyConsultantMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consultant",
        "label": "Third Party Consultant [Member]",
        "documentation": "Third party consultant."
       }
      }
     },
     "auth_ref": []
    },
    "omex_ThirtySevenNoteEmbeddedDerivativeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ThirtySevenNoteEmbeddedDerivativeMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "37N Note Embedded Derivative [Member]",
        "label": "Thirty Seven Note Embedded Derivative [Member]",
        "documentation": "Thirty seven note embedded derivative"
       }
      }
     },
     "auth_ref": []
    },
    "srt_TitleOfIndividualAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "TitleOfIndividualAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title and Position [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_TitleOfIndividualWithRelationshipToEntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "TitleOfIndividualWithRelationshipToEntityDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title and Position [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TotalShareholderRtnAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TotalShareholderRtnAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Total Shareholder Return Amount",
        "terseLabel": "Total Shareholder Return Amount"
       }
      }
     },
     "auth_ref": [
      "r47"
     ]
    },
    "ecd_TotalShareholderRtnVsPeerGroupTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TotalShareholderRtnVsPeerGroupTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Total Shareholder Return Vs Peer Group [Text Block]",
        "terseLabel": "Total Shareholder Return Vs Peer Group"
       }
      }
     },
     "auth_ref": [
      "r54"
     ]
    },
    "ecd_TradingArrAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TradingArrAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement [Axis]",
        "terseLabel": "Trading Arrangement:"
       }
      }
     },
     "auth_ref": [
      "r74"
     ]
    },
    "ecd_TradingArrByIndTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TradingArrByIndTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangements, by Individual [Table]",
        "terseLabel": "Trading Arrangements, by Individual"
       }
      }
     },
     "auth_ref": [
      "r76"
     ]
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial Instruments [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TrdArrAdoptionDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrAdoptionDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Adoption Date",
        "terseLabel": "Adoption Date"
       }
      }
     },
     "auth_ref": [
      "r77"
     ]
    },
    "ecd_TrdArrDuration": {
     "xbrltype": "durationItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrDuration",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Duration",
        "terseLabel": "Arrangement Duration"
       }
      }
     },
     "auth_ref": [
      "r78"
     ]
    },
    "ecd_TrdArrExpirationDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrExpirationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Expiration Date",
        "terseLabel": "Expiration Date"
       }
      }
     },
     "auth_ref": [
      "r78"
     ]
    },
    "ecd_TrdArrIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r76"
     ]
    },
    "ecd_TrdArrIndTitle": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrIndTitle",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Individual Title",
        "terseLabel": "Title"
       }
      }
     },
     "auth_ref": [
      "r76"
     ]
    },
    "ecd_TrdArrSecuritiesAggAvailAmt": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrSecuritiesAggAvailAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Securities Aggregate Available Amount",
        "terseLabel": "Aggregate Available"
       }
      }
     },
     "auth_ref": [
      "r79"
     ]
    },
    "ecd_TrdArrTerminationDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrTerminationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Termination Date",
        "terseLabel": "Termination Date"
       }
      }
     },
     "auth_ref": [
      "r77"
     ]
    },
    "omex_TwoCustomersMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "TwoCustomersMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Two Customers [Member]",
        "terseLabel": "Two Customers [Member]",
        "documentation": "Two Customers [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "omex_TwoSeasCapitalLpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "TwoSeasCapitalLpMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Two Seas Capital Lp [Member]",
        "documentation": "Two seas capital lp."
       }
      }
     },
     "auth_ref": []
    },
    "omex_TwoSeasFundsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "TwoSeasFundsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Two seas funds member",
        "label": "Two Seas Funds [Member]",
        "documentation": "Two seas funds."
       }
      }
     },
     "auth_ref": []
    },
    "omex_TwoThousandAndTwentyTwoWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "TwoThousandAndTwentyTwoWarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2022 Warrants [Member]",
        "label": "Two Thousand And Twenty Two Warrants [Member]",
        "documentation": "Two thousand and twenty two warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_TwoThousandTwentyTwoWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "TwoThousandTwentyTwoWarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2022 Warrants",
        "label": "Two Thousand Twenty Two Warrants [Member]",
        "documentation": "Two thousand twenty two warrants."
       }
      }
     },
     "auth_ref": []
    },
    "omex_TwoThousandTwentyWarrantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "TwoThousandTwentyWarrantsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2020 Warrants",
        "label": "Two Thousand Twenty Warrants [Member]",
        "documentation": "Two Thousand Twenty Warrants."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TypeOfAdoptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "TypeOfAdoptionMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Standards Update [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TypeOfArrangementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "TypeOfArrangementAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_UndrlygSecurityMktPriceChngPct": {
     "xbrltype": "pureItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "UndrlygSecurityMktPriceChngPct",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Underlying Security Market Price Change, Percent",
        "terseLabel": "Underlying Security Market Price Change"
       }
      }
     },
     "auth_ref": [
      "r73"
     ]
    },
    "omex_UnitExchangeValuePerUnitDenominator": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "UnitExchangeValuePerUnitDenominator",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unit exchange value per unit denominator",
        "label": "Unit Exchange Value per unit Denominator",
        "documentation": "Unit Exchange Value per unit Denominator"
       }
      }
     },
     "auth_ref": []
    },
    "omex_UnitExchangeValuePerUnitNumerator": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "UnitExchangeValuePerUnitNumerator",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unit Exchange Value per unit Numerator",
        "documentation": "Unit exchange value per unit numerator.",
        "terseLabel": "Unit exchange value per unit numerator"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UnrecognizedTaxBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "UnrecognizedTaxBenefits",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Tax Benefits",
        "periodEndLabel": "Unrecognized Tax Benefits, Ending Balance",
        "periodStartLabel": "Unrecognized Tax Benefits, Beginning Balance",
        "terseLabel": "Unrecognized tax benefits"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions",
     "crdr": "debit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/IncomeTaxesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions",
        "terseLabel": "Unrecognized tax benefits permanent deduction loss position"
       }
      }
     },
     "auth_ref": []
    },
    "omex_UnvestedRestrictedStockAwardsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "UnvestedRestrictedStockAwardsMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unvested Restricted Stock Awards [Member]",
        "documentation": "Unvested restricted stock awards member.",
        "terseLabel": "Unvested Restricted Stock Awards"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UseOfEstimates": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "UseOfEstimates",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "verboseLabel": "Use of Estimates"
       }
      }
     },
     "auth_ref": []
    },
    "omex_ValuationOfExercisableOption": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "ValuationOfExercisableOption",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Valuation of Exercisable Option",
        "documentation": "Valuation of exercisable option.",
        "terseLabel": "Valuation of exercisable option"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_VariableInterestEntityOwnershipPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "VariableInterestEntityOwnershipPercentage",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage",
        "terseLabel": "Indirect Interest"
       }
      }
     },
     "auth_ref": []
    },
    "omex_VendorNotePayableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "VendorNotePayableMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Vendor note payable",
        "verboseLabel": "Vendor note payable [Member]",
        "documentation": "Vendor note payable.",
        "label": "Vendor Note Payable [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_VestingAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "VestingAxis",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vesting [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_VestingDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "VestingDomain",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vesting [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]",
        "terseLabel": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year"
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "us-gaap_WarrantDownRoundFeatureDecreaseInNetIncomeLossToCommonShareholderAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "WarrantDownRoundFeatureDecreaseInNetIncomeLossToCommonShareholderAmount",
     "crdr": "debit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Fair value change of warrants",
        "label": "Warrant, Down Round Feature, Decrease in Net Income to Common Shareholder, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "omex_WarrantLiabilityOne": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "WarrantLiabilityOne",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail": {
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "2022 Warrants",
        "terseLabel": "Warrant liabilities issued with equity (2022 Warrants)",
        "label": "Warrant Liability One",
        "documentation": "Warrant liability one."
       }
      }
     },
     "auth_ref": []
    },
    "omex_WarrantLiabilityThree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "WarrantLiabilityThree",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail": {
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrant Liability Three",
        "documentation": "Warrant liability three.",
        "terseLabel": "December 2023 Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "omex_WarrantLiabilityTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "WarrantLiabilityTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail": {
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Warrant Liability Two",
        "documentation": "Warrant liability two",
        "terseLabel": "March 2023 Warrants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WarrantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "WarrantMember",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndDecember2023WarrantsAdditionalInformationDetails",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureLoansPayableMarch2023NotesAndMarch2023WarrantsAdditionalInformationDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail",
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Stock Warrant Related",
        "label": "Warrants",
        "verboseLabel": "Warrants [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract]",
        "terseLabel": "Shares used in computation \u2013 diluted:",
        "verboseLabel": "Net (loss) income per share:"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted average common shares outstanding",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "verboseLabel": "Diluted",
        "totalLabel": "Weighted average common shares outstanding - Diluted"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "calculation": {
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail": {
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0,
       "order": 0.0
      }
     },
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted average common shares outstanding - Basic",
        "label": "Basic",
        "totalLabel": "Weighted Average Number of Shares Outstanding, Basic, Total",
        "verboseLabel": "Weighted average number of common shares outstanding"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "WeightedAverageNumberOfSharesOutstandingBasicAbstract",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Denominator:",
        "label": "Weighted Average Number of Shares Outstanding, Basic [Abstract]",
        "terseLabel": "Shares used in computation \u2013 basic:"
       }
      }
     },
     "auth_ref": []
    },
    "omex_WorkingCapitalDeficit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.odysseymarine.com/20260331",
     "localname": "WorkingCapitalDeficit",
     "crdr": "credit",
     "presentation": [
      "http://www.odysseymarine.com/20260331/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Working capital deficit.",
        "label": "Working Capital Deficit",
        "terseLabel": "Working capital deficit"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]",
        "terseLabel": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested"
       }
      }
     },
     "auth_ref": [
      "r41"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 10-Q",
   "Number": "240",
   "Section": "308",
   "Subsection": "a"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16",
   "Subsection": "J",
   "Paragraph": "a"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "A"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "B"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "C"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "D"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "E"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "2"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "i"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "ii"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iii"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iv"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "v"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "2"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "3"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "b"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "i"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "ii"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iii"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iv"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "v"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "2"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "3"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "b"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Section": "13",
   "Subsection": "a-1"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "1"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "ii"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Subclause": "ii"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "i"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "ii"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "iii"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "iv"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "v"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "vi"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iv"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "vi"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "3"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "4"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "i"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "ii"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "iii"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "iv"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "6"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "6",
   "Subparagraph": "i"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "A"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "B"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "C"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "D"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "E"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "2"
  },
  "r67": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "1"
  },
  "r68": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2"
  },
  "r69": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "A"
  },
  "r70": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "C"
  },
  "r71": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "D"
  },
  "r72": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "E"
  },
  "r73": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "F"
  },
  "r74": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a"
  },
  "r75": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "1"
  },
  "r76": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "A"
  },
  "r77": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "B"
  },
  "r78": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "C"
  },
  "r79": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "D"
  },
  "r80": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r81": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Number": "229",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1"
  },
  "r82": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "A",
   "Number": "229"
  },
  "r83": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Number": "229"
  },
  "r84": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Subclause": "i",
   "Number": "229"
  },
  "r85": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-T",
   "Number": "232",
   "Section": "405"
  }
 }
}
