3.26.1 html 107 251 1 false 34 0 false 6 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.hadronenergy.com/20260630/taxonomy/role/StatementCondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 2 false false R3.htm 75020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) Statements 4 false false R5.htm 75040 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Deficit) (Unaudited) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/StatementCondensedConsolidatedStatementsOfShareholdersEquityDeficitUnaudited Condensed Consolidated Statements of Shareholders' Equity (Deficit) (Unaudited) Statements 5 false false R6.htm 75050 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.hadronenergy.com/20260630/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlows Condensed Consolidated Statements of Cash Flows Statements 6 false false R7.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 7 false false R8.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 8 false false R9.htm 995455 - Disclosure - Organization Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureOrganization Organization Notes 9 false false R10.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 995475 - Disclosure - Business Combination Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureBusinessCombination1 Business Combination Notes 11 false false R12.htm 995485 - Disclosure - Accrued Expenses Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureAccruedExpenses Accrued Expenses Notes 12 false false R13.htm 995495 - Disclosure - Property And Equipment, Net Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosurePropertyAndEquipmentNet Property And Equipment, Net Notes 13 false false R14.htm 995505 - Disclosure - Simple Agreements for Future Equity Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSimpleAgreementsForFutureEquity Simple Agreements for Future Equity Notes 14 false false R15.htm 995525 - Disclosure - Related Party Transactions Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureRelatedPartyTransactions1 Related Party Transactions Notes 15 false false R16.htm 995535 - Disclosure - Leases Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureLeases Leases Notes 16 false false R17.htm 995545 - Disclosure - Stockholders' Equity (Deficit) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureStockholdersEquityDeficit Stockholders' Equity (Deficit) Notes 17 false false R18.htm 995555 - Disclosure - Warrants Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureWarrants Warrants Notes 18 false false R19.htm 995565 - Disclosure - Income Taxes Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureIncomeTaxes Income Taxes Notes 19 false false R20.htm 995575 - Disclosure - Commitments and Contingencies Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 20 false false R21.htm 995585 - Disclosure - Subsequent Events Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSubsequentEvents Subsequent Events Notes 21 false false R22.htm 995595 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies 22 false false R23.htm 995605 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies 23 false false R24.htm 995615 - Disclosure - Accrued Expenses (Tables) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureAccruedExpensesTables Accrued Expenses (Tables) Tables http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureAccruedExpenses 24 false false R25.htm 995625 - Disclosure - Property and Equipment Net (Tables) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosurePropertyAndEquipmentNetTables Property and Equipment Net (Tables) Tables 25 false false R26.htm 995635 - Disclosure - Simple Agreements for Future Equity (SAFEs) (Tables) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSimpleAgreementsForFutureEquitySafesTables Simple Agreements for Future Equity (SAFEs) (Tables) Tables http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSimpleAgreementsForFutureEquity 26 false false R27.htm 995645 - Disclosure - Stockholders' Equity (Deficit) (Tables) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureStockholdersEquityDeficitTables Stockholders' Equity (Deficit) (Tables) Tables http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureStockholdersEquityDeficit 27 false false R28.htm 995655 - Disclosure - Warrants (Tables) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureWarrantsTables Warrants (Tables) Tables http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureWarrants 28 false false R29.htm 995665 - Disclosure - Fair Value Instruments (Tables) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureFairValueInstrumentsTables Fair Value Instruments (Tables) Tables 29 false false R30.htm 995675 - Disclosure - Organization - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureOrganizationAdditionalInformationDetails Organization - Additional Information (Details) Details 30 false false R31.htm 995685 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 31 false false R32.htm 995695 - Disclosure - Summary of Significant Accounting Policies - Summary of Assets and Liabilities are Measured at Fair Value on Recurring Basis (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfAssetsAndLiabilitiesAreMeasuredAtFairValueOnRecurringBasisDetails Summary of Significant Accounting Policies - Summary of Assets and Liabilities are Measured at Fair Value on Recurring Basis (Details) Details 32 false false R33.htm 995705 - Disclosure - Summary of Significant Accounting Policies - Summary of Fair Value of Warrants Estimated Using Assumptions (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfFairValueOfWarrantsEstimatedUsingAssumptionsDetails Summary of Significant Accounting Policies - Summary of Fair Value of Warrants Estimated Using Assumptions (Details) Details 33 false false R34.htm 995715 - Disclosure - Summary of Significant Accounting Policies - Summary of Fair Value on Recurring Basis Using Significant Unobservable Inputs (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails Summary of Significant Accounting Policies - Summary of Fair Value on Recurring Basis Using Significant Unobservable Inputs (Details) Details 34 false false R35.htm 995725 - Disclosure - Summary of Significant Accounting Policies - Schedule of Reconciliation Net Loss Per Ordinary Share Basic and Diluted (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfReconciliationNetLossPerOrdinaryShareBasicAndDilutedDetails Summary of Significant Accounting Policies - Schedule of Reconciliation Net Loss Per Ordinary Share Basic and Diluted (Details) Details 35 false false R36.htm 995745 - Disclosure - Summary of Significant Accounting Policies - Summary of Outstanding Potentially Dilutive Shares Excluded from Calculation of Diluted Net Income (Loss) Per Share (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfOutstandingPotentiallyDilutiveSharesExcludedFromCalculationOfDilutedNetIncomeLoss Summary of Significant Accounting Policies - Summary of Outstanding Potentially Dilutive Shares Excluded from Calculation of Diluted Net Income (Loss) Per Share (Details) Details 36 false false R37.htm 995755 - Disclosure - Business Combination - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureBusinessCombinationAdditionalInformationDetails Business Combination - Additional Information (Details) Details 37 false false R38.htm 995765 - Disclosure - Accrued Expenses - Schedule of Accrued Expenses (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureAccruedExpensesScheduleOfAccruedExpensesDetails Accrued Expenses - Schedule of Accrued Expenses (Details) Details 38 false false R39.htm 995775 - Disclosure - Property and Equipment Net - Schedule of Property Plant and Equipment (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosurePropertyAndEquipmentNetScheduleOfPropertyPlantAndEquipmentDetails Property and Equipment Net - Schedule of Property Plant and Equipment (Details) Details 39 false false R40.htm 995785 - Disclosure - Property and Equipment Net - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosurePropertyAndEquipmentNetAdditionalInformationDetails Property and Equipment Net - Additional Information (Details) Details 40 false false R41.htm 995795 - Disclosure - Simple Agreements for Future Equity (SAFEs) - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSimpleAgreementsForFutureEquitySafesAdditionalInformationDetails Simple Agreements for Future Equity (SAFEs) - Additional Information (Details) Details http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSimpleAgreementsForFutureEquitySafesTables 41 false false R42.htm 995805 - Disclosure - Simple Agreements for Future Equity (SAFEs) - Schedule of Reconciliation of Liabilities Measured at Fair Value (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSimpleAgreementsForFutureEquitySafesScheduleOfReconciliationOfLiabilitiesMeasuredAtFairValueDetails Simple Agreements for Future Equity (SAFEs) - Schedule of Reconciliation of Liabilities Measured at Fair Value (Details) Details http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureSimpleAgreementsForFutureEquitySafesTables 42 false false R43.htm 995815 - Disclosure - Offering - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureOfferingAdditionalInformationDetails Offering - Additional Information (Details) Details 43 false false R44.htm 995825 - Disclosure - Related Party Transactions - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails Related Party Transactions - Additional Information (Details) Details 44 false false R45.htm 995835 - Disclosure - Leases - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureLeasesAdditionalInformationDetails Leases - Additional Information (Details) Details 45 false false R46.htm 995845 - Disclosure - Stockholders' Equity (Deficit) - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureStockholdersEquityDeficitAdditionalInformationDetails Stockholders' Equity (Deficit) - Additional Information (Details) Details http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureStockholdersEquityDeficitTables 46 false false R47.htm 995855 - Disclosure - Stockholders' Equity (Deficit) - Schedule of RSPAs Activity (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureStockholdersEquityDeficitScheduleOfRspasActivityDetails Stockholders' Equity (Deficit) - Schedule of RSPAs Activity (Details) Details http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureStockholdersEquityDeficitTables 47 false false R48.htm 995865 - Disclosure - Warrants - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureWarrantsAdditionalInformationDetails Warrants - Additional Information (Details) Details 48 false false R49.htm 995875 - Disclosure - Warrants - Schedule of Fair Value Assumptions of Warrants (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureWarrantsScheduleOfFairValueAssumptionsOfWarrantsDetails Warrants - Schedule of Fair Value Assumptions of Warrants (Details) Details 49 false false R50.htm 995885 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 50 false false R51.htm 995895 - Disclosure - Commitments and Contingencies - Additional Information (Details) Sheet http://www.hadronenergy.com/20260630/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetails Commitments and Contingencies - Additional Information (Details) Details 51 false false All Reports Book All Reports hdrn-20260630.htm hdrn-20260630.xsd http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 false false