Amount of consideration received from a related party.

No definition available.

Name:	tops_ConsiderationReceived
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Total consideration paid/settled in cash.

+ References

No definition available.

+ Details

Name:	tops_ConsiderationSettledInCash
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of consideration settled.

+ References

No definition available.

+ Details

Name:	tops_ConsiderationThatWasSettled
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of consideration to be received.

+ References

No definition available.

+ Details

Name:	tops_ConsiderationToBeReceived
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Aggregate contract price to be paid to the builder of the vessels.

+ References

No definition available.

+ Details

Name:	tops_ContractPricePayable
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contract price to be paid per vessel to the builder of the vessel.

+ References

No definition available.

+ Details

Name:	tops_ContractPricePayablePerVessel
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

First installment payment paid by a related party.

+ References

No definition available.

+ Details

Name:	tops_FirstInstallmentAmountPaid
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

First installment payment per vessel paid by a related party.

+ References

No definition available.

+ Details

Name:	tops_FirstInstallmentPaidPerVessel
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Consideration for signing a non-binding letter of intent whereby the seller/related party is precluded from marketing or selling a portfolio of real estate assets.to be refunded to a related party after company elected not to proceed with the acquisition.

+ References

No definition available.

+ Details

Name:	tops_NoShopClause2025ConsiderationToBeRefunded
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of newbuilding vessels to be purchased.

+ References

No definition available.

+ Details

Name:	tops_NumberOfNewbuildingVesselsToBePurchased
Namespace Prefix:	tops_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shipowning companies being purchased from a related party.

+ References

No definition available.

+ Details

Name:	tops_NumberOfShipowningCompaniesBeingPurchased
Namespace Prefix:	tops_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of construction costs for the Newbuilding Tankers to be financed under financing facilities.

+ References

No definition available.

+ Details

Name:	tops_PercentageOfConstructionCostsToBeFinanced
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of the net cash proceeds from debt financings or equity issuances that the company is contractually required to apply toward payment of the consideration under the share purchase agreement.

+ References

No definition available.

+ Details

Name:	tops_PercentageOfNetCashProceedsToBeAppliedToPaymentOfConsideration
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of shares in shipowning companies to be purchased.

+ References

No definition available.

+ Details

Name:	tops_PercentageOfSharesBeingPurchased
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of shares in the SPV to be sold.

+ References

No definition available.

+ Details

Name:	tops_PercentageOfSharesToBeSold
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Remaining consideration to be paid.

+ References

No definition available.

+ Details

Name:	tops_RemainingConsiderationDue
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	tops_SubsequentEventAbstract
Namespace Prefix:	tops_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Volumetric capacity of a shipping container.

+ References

No definition available.

+ Details

Name:	tops_VesselCapacity
Namespace Prefix:	tops_
Data Type:	dtr-types:massItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-3

+ Details

Name:	us-gaap_LessorOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_OtherCommitmentDueInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_OtherCommitmentDueInSecondYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_OtherCommitmentDueInThirdYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lease term for sale and leaseback transaction, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479741/842-40-50-2

+ Details

Name:	us-gaap_SaleLeasebackTransactionLeaseTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=tops_CentralMareIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=tops_ContractualCommitmentsToShipyardForThreeMrTankersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=tops_MajorOilTraderMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=tops_RubicoIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=tops_ThreeTankersSharePurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=tops_RomanSharkViiIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=tops_RomanSharkVIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_HullNo25110060Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_HullNo25110058Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_ThreeOilChemicalMrTankersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events (Details) $ in Thousands	Jul. 28, 2026 USD ($) Vessel Company t	Sep. 15, 2026 USD ($)	Jul. 27, 2026 USD ($) t	Jul. 13, 2026 USD ($) t	Feb. 18, 2026 Company Vessel
Related Party [Member] \| Central Mare [Member]
Subsequent Events [Abstract]
Number of shipowning companies being purchased \| Company					9
Number of newbuilding vessels to be purchased \| Vessel					9
Subsequent Event [Member] \| Contractual Commitments to Shipyard for Three MR Tankers [Member]
Subsequent Events [Abstract]
Contractual commitments	$ 140,235
Contractual commitments payable in 2027	16,245
Contract price per vessel	49,500
Aggregate contract price	148,500
First installment amount paid per vessel	2,755
Aggregate first installment amount paid	8,265
Contractual commitments payable in 2028	21,660
Contractual commitments payable in 2029	$ 102,330
Percentage of commitments to be financed	85.00%
Subsequent Event [Member] \| Major Oil Trader [Member]
Subsequent Events [Abstract]
Term of time charters	5 years
Term of time charter extensions	1 year
Subsequent Event [Member] \| Related Party [Member] \| Rubico Inc. [Member] \| Three MR Tankers' SPVs [Member]
Subsequent Events [Abstract]
Percentage of net cash proceeds to be applied to payment of consideration			100.00%
Subsequent Event [Member] \| Related Party [Member] \| Central Mare [Member]
Subsequent Events [Abstract]
Percentage of shares in shipowning companies being purchased	100.00%
Number of shipowning companies being purchased \| Company	3
Number of newbuilding vessels to be purchased \| Vessel	3
Subsequent Event [Member] \| Related Party [Member] \| Central Mare [Member] \| Three MR Tankers' SPVs [Member]
Subsequent Events [Abstract]
Number of shipowning companies being purchased \| Company	3
Contractual commitments	$ 30,850
Consideration refundable under 2025 No Shop Clause LOI	$ 23,500
Consideration settled in cash		$ 5,190
Consideration settled		28,690
Consideration payable		2,160
Subsequent Event [Member] \| Roman Shark VII SPV [Member] \| Related Party [Member] \| Rubico Inc. [Member]
Subsequent Events [Abstract]
Percentage of shares to be sold				100.00%
Consideration				$ 6,250
Subsequent Event [Member] \| Roman Shark V SPV [Member] \| Related Party [Member] \| Rubico Inc. [Member]
Subsequent Events [Abstract]
Percentage of shares to be sold			100.00%
Consideration			$ 6,500
Percentage of net cash proceeds to be applied to payment of consideration			100.00%
Consideration received		$ 630
Subsequent Event [Member] \| Hull 25110060 [Member]
Subsequent Events [Abstract]
Vessel capacity \| t				47,499
Subsequent Event [Member] \| Hull 25110058 [Member]
Subsequent Events [Abstract]
Vessel capacity \| t			47,499
Subsequent Event [Member] \| Three MR Tankers [Member]
Subsequent Events [Abstract]
Vessel capacity \| t	49,940