XML 78 R66.htm IDEA: XBRL DOCUMENT
v3.25.1

Fair Value Measurements - Schedule of Changes in Level 3 Fair Value Measurements (Detail) - Level 3 [Member] - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | $ 74,247,485 | $ 58,971,415
Change in fair value | $ (18,866,862) | $ 8,302,866
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Gain (Loss) on Derivative Instruments, Net, Pretax | Gain (Loss) on Derivative Instruments, Net, Pretax
Issuance of new instrument |  | $ 7,332,266
Issuance of new funding |  | 4,633
Warrants Exercised |  | (184,600)
Debt conversion to equity | $ (341,601) | (179,095)
Added conversion option (embedded derivative) | 851,000 |
Classification of warrant as liability | 7,754,438 |
Warrant repricing | 1,156,676 |
Ending Balance | 64,801,136 | 74,247,485
37N Note Embedded Derivative [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 702,291 | 0
Change in fair value | (360,690) | 457,690
Issuance of new instrument |  | 423,696
Issuance of new funding |  | 0
Warrants Exercised |  | 0
Debt conversion to equity | (341,601) | (179,095)
Added conversion option (embedded derivative) | 0 |
Classification of warrant as liability | 0 |
Warrant repricing | 0 |
Ending Balance | 0 | 702,291
March 2023 Warrants [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 0 | 0
Change in fair value | (6,651,996) | 0
Issuance of new instrument |  | 0
Issuance of new funding |  | 0
Warrants Exercised |  | 0
Debt conversion to equity | 0 | 0
Added conversion option (embedded derivative) | 0 |
Classification of warrant as liability | 7,754,438 |
Warrant repricing | 808,508 |
Ending Balance | 1,910,950 | 0
December 2023 Warrants [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 2,392,563 | 0
Change in fair value | (1,913,695) | 0
Issuance of new instrument |  | 2,392,563
Issuance of new funding |  | 0
Warrants Exercised |  | 0
Debt conversion to equity | 0 | 0
Added conversion option (embedded derivative) | 0 |
Classification of warrant as liability | 0 |
Warrant repricing | 348,168 |
Ending Balance | 827,036 | 2,392,563
Put Option Liability [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 5,637,162 | 0
Change in fair value | (5,637,162) | 1,121,155
Issuance of new instrument |  | 4,516,007
Issuance of new funding |  | 0
Warrants Exercised |  | 0
Debt conversion to equity | 0 | 0
Added conversion option (embedded derivative) | 0 |
Classification of warrant as liability | 0 |
Warrant repricing | 0 |
Ending Balance | 0 | 5,637,162
March 2023 Conversion Option [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 0 | 0
Change in fair value | 2,055,000 | 0
Issuance of new instrument |  | 0
Issuance of new funding |  | 0
Warrants Exercised |  | 0
Debt conversion to equity | 0 | 0
Added conversion option (embedded derivative) | 690,000 |
Classification of warrant as liability | 0 |
Warrant repricing | 0 |
Ending Balance | 2,745,000 | 0
December 2023 Conversion Option [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 0 | 0
Change in fair value | 146,000 | 0
Issuance of new instrument |  | 0
Issuance of new funding |  | 0
Warrants Exercised |  | 0
Debt conversion to equity | 0 | 0
Added conversion option (embedded derivative) | 161,000 |
Classification of warrant as liability | 0 |
Warrant repricing | 0 |
Ending Balance | 307,000 | 0
Litigation Financing [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 52,115,647 | 45,368,948
Change in fair value | 4,834,730 | 6,742,066
Issuance of new instrument |  | 0
Issuance of new funding |  | 4,633
Warrants Exercised |  | 0
Debt conversion to equity | 0 | 0
Added conversion option (embedded derivative) | 0 |
Classification of warrant as liability | 0 |
Warrant repricing | 0 |
Ending Balance | 56,950,377 | 52,115,647
2022 Warrants [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning Balance | 13,399,822 | 13,602,467
Change in fair value | (11,339,049) | (18,045)
Issuance of new instrument |  | 0
Issuance of new funding |  | 0
Warrants Exercised |  | (184,600)
Debt conversion to equity | 0 | 0
Added conversion option (embedded derivative) | 0 |
Classification of warrant as liability | 0 |
Warrant repricing | 0 |
Ending Balance | $ 2,060,773 | $ 13,399,822

X
- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issuance Of New Funding + References No definition available. + Details
Name: | omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuanceOfNewFunding
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability issuance of new instrument + References No definition available. + Details
Name: | omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuanceOfNewInstrument
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability of debt conversion to equity. + References No definition available. + Details
Name: | omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfDebtConversionToEquity
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability of debt embedded derivative. + References No definition available. + Details
Name: | omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfEmbeddedDerivative
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability of warrants exercised. + References No definition available. + Details
Name: | omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfWarrantsExercised
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability of warrants repricing. + References No definition available. + Details
Name: | omex_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityOfWarrantsRepricing
Namespace Prefix: | omex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from liability measured at fair value using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=omex_ThirtySevenNoteEmbeddedDerivativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=omex_MarchTwoThousandAndTwentyThreeNoteWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=omex_DecemberTwoThousandAndTwentyThreeWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_PutOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=omex_MarchTwoThousandAndTwentyThreeConversionOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=omex_DecemberTwoThousandAndTwentyThreeConversionOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=omex_LitigationFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=omex_TwoThousandAndTwentyTwoWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |