3.25.2 html 429 365 1 true 112 0 false 6 false false R1.htm 75000 - Document - Cover Page Sheet http://www.odysseymarine.com/20250630/taxonomy/role/CoverPage Cover Page Cover 1 false false R2.htm 75010 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.odysseymarine.com/20250630/taxonomy/role/CondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 2 false false R3.htm 75030 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/CondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 75040 - Statement - Condensed Consolidated Statements of Operations - Unaudited Sheet http://www.odysseymarine.com/20250630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited Condensed Consolidated Statements of Operations - Unaudited Statements 4 false false R5.htm 75050 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Deficit Sheet http://www.odysseymarine.com/20250630/taxonomy/role/StatementCondensedConsolidatedStatementsOfChangesInStockholdersDeficit Condensed Consolidated Statements of Changes in Stockholders' Deficit Statements 5 false false R6.htm 75060 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.odysseymarine.com/20250630/taxonomy/role/CondensedConsolidatedStatementsOfCashFlows 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 - Business And Basis of Presentation Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureBusinessAndBasisOfPresentation Business And Basis of Presentation Notes 9 false false R10.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 995475 - Disclosure - Accounts Receivable and Other Related Party Receivables, Net Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNet Accounts Receivable and Other Related Party Receivables, Net Notes 11 false false R12.htm 995485 - Disclosure - Other Current Assets Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureOtherCurrentAssets1 Other Current Assets Notes 12 false false R13.htm 995495 - Disclosure - Related Party Transactions Sheet http://www.odysseymarine.com/20250630/taxonomy/role/RelatedPartyTransactions Related Party Transactions Notes 13 false false R14.htm 995505 - Disclosure - Investment in Unconsolidated Entities Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntities1 Investment in Unconsolidated Entities Notes 14 false false R15.htm 995515 - Disclosure - Joint Venture Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureJointVenture Joint Venture Notes 15 false false R16.htm 995525 - Disclosure - Income Taxes Sheet http://www.odysseymarine.com/20250630/taxonomy/role/IncomeTaxes Income Taxes Notes 16 false false R17.htm 995535 - Disclosure - Commitments and Contingencies Sheet http://www.odysseymarine.com/20250630/taxonomy/role/CommitmentsAndContingencies Commitments and Contingencies Notes 17 false false R18.htm 995545 - Disclosure - Loans Payable Sheet http://www.odysseymarine.com/20250630/taxonomy/role/LoansPayable Loans Payable Notes 18 false false R19.htm 995555 - Disclosure - Fair Value Measurements Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureFairValueMeasurements Fair Value Measurements Notes 19 false false R20.htm 995565 - Disclosure - Derivative Financial Instruments Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureDerivativeFinancialInstruments Derivative Financial Instruments Notes 20 false false R21.htm 995575 - Disclosure - Accrued Expenses Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccruedExpenses Accrued Expenses Notes 21 false false R22.htm 995585 - Disclosure - Stockholders' Equity/(Deficit) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureStockholdersEquitydeficit1 Stockholders' Equity/(Deficit) Notes 22 false false R23.htm 995595 - Disclosure - Concentration of Credit Risk Sheet http://www.odysseymarine.com/20250630/taxonomy/role/ConcentrationOfCreditRisk Concentration of Credit Risk Notes 23 false false R24.htm 995605 - Disclosure - Sale-leaseback Financing Obligations Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSaleleasebackFinancingObligations1 Sale-leaseback Financing Obligations Notes 24 false false R25.htm 995615 - Disclosure - Segment Reporting Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSegmentReporting Segment Reporting Notes 25 false false R26.htm 995625 - Disclosure - Subsequent Events Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSubsequentEvents Subsequent Events Notes 26 false false R27.htm 995635 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPolicies 27 false false R28.htm 995645 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPolicies 28 false false R29.htm 995655 - Disclosure - Accounts Receivable and Other Related Party Receivables, Net (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetTables Accounts Receivable and Other Related Party Receivables, Net (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNet 29 false false R30.htm 995665 - Disclosure - Other Current Assets (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureOtherCurrentAssetsTables Other Current Assets (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureOtherCurrentAssets1 30 false false R31.htm 995675 - Disclosure - Investment In Unconsolidated Entities (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesTables Investment In Unconsolidated Entities (Tables) Tables 31 false false R32.htm 995685 - Disclosure - Loans Payable (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/LoansPayableTables Loans Payable (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/LoansPayable 32 false false R33.htm 995695 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureFairValueMeasurements 33 false false R34.htm 995705 - Disclosure - Accrued Expenses (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccruedExpensesTables Accrued Expenses (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccruedExpenses 34 false false R35.htm 995715 - Disclosure - Stockholders' Equity/(Deficit) (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureStockholdersEquitydeficitTables Stockholders' Equity/(Deficit) (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureStockholdersEquitydeficit1 35 false false R36.htm 995725 - Disclosure - Sale-leaseback Financing Obligations (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSaleleasebackFinancingObligationsTables Sale-leaseback Financing Obligations (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSaleleasebackFinancingObligations1 36 false false R37.htm 995735 - Disclosure - Segment Reporting (Tables) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSegmentReportingTables Segment Reporting (Tables) Tables http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSegmentReporting 37 false false R38.htm 995745 - Disclosure - Business And Basis of Presentation - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail Business And Basis of Presentation - Additional Information (Detail) Details 38 false false R39.htm 995755 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 39 false false R40.htm 995765 - Disclosure - Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share for in the Money Potential Common Shares (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPoliciesScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareForInTheMoneyPotentialCommonSharesDetail Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share for in the Money Potential Common Shares (Detail) Details 40 false false R41.htm 995775 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/SummaryOfSignificantAccountingPoliciesReconciliationOfNumeratorsAndDenominatorsUsedInComputingBasicAndDilutedNetIncomePerShareDetail Summary of Significant Accounting Policies - Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share (Detail) Details 41 false false R42.htm 995785 - Disclosure - Accounts Receivable and Other Related Party Receivables, Net - Summary of Accounts Receivable (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccountsReceivableAndOtherRelatedPartyReceivablesNetSummaryOfAccountsReceivableDetail Accounts Receivable and Other Related Party Receivables, Net - Summary of Accounts Receivable (Detail) Details 42 false false R43.htm 995795 - Disclosure - Other Current Assets - Summary of Other Current Assets (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureOtherCurrentAssetsSummaryOfOtherCurrentAssetsDetail Other Current Assets - Summary of Other Current Assets (Detail) Details 43 false false R44.htm 995805 - Disclosure - Related Party Transactions - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail Related Party Transactions - Additional Information (Detail) Details 44 false false R45.htm 995815 - Disclosure - Investment In Unconsolidated Entities - Schedule of Investment in Unconsolidated Entities (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfInvestmentInUnconsolidatedEntitiesDetail Investment In Unconsolidated Entities - Schedule of Investment in Unconsolidated Entities (Detail) Details 45 false false R46.htm 995825 - Disclosure - Investment In Unconsolidated Entities - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesAdditionalInformationDetail Investment In Unconsolidated Entities - Additional Information (Detail) Details 46 false false R47.htm 995835 - Disclosure - Investment In Unconsolidated Entities - Schedule of Financial Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureInvestmentInUnconsolidatedEntitiesScheduleOfFinancialInformationDetail Investment In Unconsolidated Entities - Schedule of Financial Information (Detail) Details 47 false false R48.htm 995845 - Disclosure - Joint Venture - Additional Information (Details) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureJointVentureAdditionalInformationDetails Joint Venture - Additional Information (Details) Details 48 false false R49.htm 995855 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/IncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 49 false false R50.htm 995865 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 50 false false R51.htm 995875 - Disclosure - Loans Payable - Schedule of Consolidated Notes Payable (Detail) Notes http://www.odysseymarine.com/20250630/taxonomy/role/LoansPayableScheduleOfConsolidatedNotesPayableDetail Loans Payable - Schedule of Consolidated Notes Payable (Detail) Details 51 false false R52.htm 995885 - Disclosure - Loans Payable - March 2023 Note and Warrant Purchase Agreement - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureLoansPayableMarch2023NoteAndWarrantPurchaseAgreementAdditionalInformationDetail Loans Payable - March 2023 Note and Warrant Purchase Agreement - Additional Information (Detail) Details 52 false false R53.htm 995895 - Disclosure - Loans Payable - December 2023 Notes and Warrant Purchase Agreement - Additional Information (Details) Notes http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureLoansPayableDecember2023NotesAndWarrantPurchaseAgreementAdditionalInformationDetails Loans Payable - December 2023 Notes and Warrant Purchase Agreement - Additional Information (Details) Details 53 false false R54.htm 995905 - Disclosure - Loans Payable - Emergency Injury Disaster Loan - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureLoansPayableEmergencyInjuryDisasterLoanAdditionalInformationDetail Loans Payable - Emergency Injury Disaster Loan - Additional Information (Detail) Details 54 false false R55.htm 995915 - Disclosure - Loans Payable - Vendor Note Payable - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureLoansPayableVendorNotePayableAdditionalInformationDetail Loans Payable - Vendor Note Payable - Additional Information (Detail) Details 55 false false R56.htm 995925 - Disclosure - Loans Payable - AFCO Insurance Note Payable - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureLoansPayableAfcoInsuranceNotePayableAdditionalInformationDetail Loans Payable - AFCO Insurance Note Payable - Additional Information (Detail) Details 56 false false R57.htm 995935 - Disclosure - Loans Payable - Accrued interest - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureLoansPayableAccruedInterestAdditionalInformationDetail Loans Payable - Accrued interest - Additional Information (Detail) Details 57 false false R58.htm 995945 - Disclosure - Fair Value Measurements - Summary of Fair Value Hierarchy for Financial Liabilities Measured At Fair Value on a Recurring Basis (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValueHierarchyForFinancialLiabilitiesMeasuredAtFairValueOnARecurringBasisDetail Fair Value Measurements - Summary of Fair Value Hierarchy for Financial Liabilities Measured At Fair Value on a Recurring Basis (Detail) Details 58 false false R59.htm 995955 - Disclosure - Fair Value Measurements - Summary of Fair Values and Related Carrying Values of Financial Instruments (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesAndRelatedCarryingValuesOfFinancialInstrumentsDetail Fair Value Measurements - Summary of Fair Values and Related Carrying Values of Financial Instruments (Detail) Details 59 false false R60.htm 995965 - Disclosure - Fair Value Measurements - Schedule of Changes in Level 3 Fair Value Measurements (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInLevel3FairValueMeasurementsDetail Fair Value Measurements - Schedule of Changes in Level 3 Fair Value Measurements (Detail) Details 60 false false R61.htm 995975 - Disclosure - Derivative Financial Instruments - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetail Derivative Financial Instruments - Additional Information (Detail) Details 61 false false R62.htm 995985 - Disclosure - Accrued Expenses - Components of Accrued Expenses (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccruedExpensesComponentsOfAccruedExpensesDetail Accrued Expenses - Components of Accrued Expenses (Detail) Details 62 false false R63.htm 995995 - Disclosure - Accrued Expenses - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureAccruedExpensesAdditionalInformationDetail Accrued Expenses - Additional Information (Detail) Details 63 false false R64.htm 996005 - Disclosure - Stockholders' Equity/(Deficit) - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureStockholdersEquitydeficitAdditionalInformationDetail Stockholders' Equity/(Deficit) - Additional Information (Detail) Details 64 false false R65.htm 996015 - Disclosure - Stockholders' Equity/(Deficit) - Estimated Fair Value of Restricted Stock Awards (Details) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureStockholdersEquitydeficitEstimatedFairValueOfRestrictedStockAwardsDetails Stockholders' Equity/(Deficit) - Estimated Fair Value of Restricted Stock Awards (Details) Details 65 false false R66.htm 996025 - Disclosure - Stockholders' Equity/(Deficit) - Summary of Options Valued in Estimated on Date of Grant Using Black-Scholes Option-Pricing Model with Following Assumptions Used for Grants Issued (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfOptionsValuedInEstimatedOnDateOfGrantUsingBlackscholesOptionpricingModelWithFollowingAssumption Stockholders' Equity/(Deficit) - Summary of Options Valued in Estimated on Date of Grant Using Black-Scholes Option-Pricing Model with Following Assumptions Used for Grants Issued (Detail) Details 66 false false R67.htm 996035 - Disclosure - Stockholders' Equity/(Deficit) - Summary of Changes in Warrants Outstanding (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureStockholdersEquitydeficitSummaryOfChangesInWarrantsOutstandingDetail Stockholders' Equity/(Deficit) - Summary of Changes in Warrants Outstanding (Detail) Details 67 false false R68.htm 996045 - Disclosure - Concentration of Credit Risk - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/ConcentrationOfCreditRiskAdditionalInformationDetail Concentration of Credit Risk - Additional Information (Detail) Details 68 false false R69.htm 996055 - Disclosure - Sale-leaseback Financing Obligations - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSaleleasebackFinancingObligationsAdditionalInformationDetail Sale-leaseback Financing Obligations - Additional Information (Detail) Details 69 false false R70.htm 996065 - Disclosure - Sale-leaseback Financing Obligations - Schedule of Remaining future cash payments related to the financing liability (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSaleleasebackFinancingObligationsScheduleOfRemainingFutureCashPaymentsRelatedToTheFinancingLiabilityDetail Sale-leaseback Financing Obligations - Schedule of Remaining future cash payments related to the financing liability (Detail) Details 70 false false R71.htm 996075 - Disclosure - Segment Reporting - Additional Information (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSegmentReportingAdditionalInformationDetail Segment Reporting - Additional Information (Detail) Details 71 false false R72.htm 996085 - Disclosure - Segment Reporting - Schedule of Significant Segment Expenses, Segment Net Revenues, and the Segment Performance Measure, Net Loss (Detail) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSegmentReportingScheduleOfSignificantSegmentExpensesSegmentNetRevenuesAndTheSegmentPerformanceMeasureNetLossDetail Segment Reporting - Schedule of Significant Segment Expenses, Segment Net Revenues, and the Segment Performance Measure, Net Loss (Detail) Details 72 false false R73.htm 996095 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://www.odysseymarine.com/20250630/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) Details 73 false false All Reports Book All Reports omex-20250630.htm omex-20250630.xsd img261880480_0.jpg http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 false false