XML 63 R57.htm IDEA: XBRL DOCUMENT
v3.24.3

Fair Value Measurements - Schedule of Changes in Level 3 Fair Value Measurements (Details) - Level 3 [Member] - USD ($) | 3 Months Ended
--- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | $ 82,975,903 | $ 74,147,022 | $ 74,247,485 | $ 59,115,255 | $ 55,927,057 | $ 58,971,415
Issuance of new instrument |  |  |  |  | 423,696 |
Issuance of new funding |  |  |  | 4,516,007 | 4,633 |
Warrants Exercised |  |  |  | (184,600) |  |
Change in fair value | (19,542,434) | 8,925,463 | (7,854,901) | 1,859,147 | 2,759,869 | (3,046,886)
Others |  |  |  |  |  | 2,528
Classification of warrant as liability |  |  | 7,754,438 |  |  |
Debt conversion - 55,000/120,000 common shares | (97,056) | (96,582) |  |  |  |
Ending Balance | 63,336,413 | 82,975,903 | 74,147,022 | 65,305,809 | 59,115,255 | 55,927,057
March 2023 Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 7,424,985 | 5,263,018 | 0 | 0 | 0 | 0
Issuance of new instrument |  |  |  |  | 0 |
Issuance of new funding |  |  |  | 0 | 0 |
Warrants Exercised |  |  |  | 0 |  |
Change in fair value | (5,913,083) | 2,161,967 | (2,491,420) | 0 | 0 | 0
Others |  |  |  |  |  | 0
Classification of warrant as liability |  |  | 7,754,438 |  |  |
Debt conversion - 55,000/120,000 common shares | 0 |  |  |  |  |
Ending Balance | 1,511,902 | 7,424,985 | 5,263,018 | 0 | 0 | 0
37N Note Embedded Derivative [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 251,298 | 336,857 | 702,291 | 423,696 | 0 | 0
Issuance of new instrument |  |  |  |  | 423,696 |
Issuance of new funding |  |  |  | 0 | 0 |
Warrants Exercised |  |  |  | 0 |  |
Change in fair value | (6,279) | 11,023 | (365,434) | 173,287 | 0 | 0
Others |  |  |  |  |  | 0
Classification of warrant as liability |  |  | 0 |  |  |
Debt conversion - 55,000/120,000 common shares | (97,056) | (96,582) |  |  |  |
Ending Balance | 147,963 | 251,298 | 336,857 | 596,983 | 423,696 | 0
Put Option Liability [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 5,393,909 | 4,384,777 | 5,637,162 | 0 | 0 | 0
Issuance of new instrument |  |  |  |  | 0 |
Issuance of new funding |  |  |  | 4,516,007 | 0 |
Warrants Exercised |  |  |  | 0 |  |
Change in fair value | (5,285,472) | 1,009,132 | (1,252,385) | (242,969) | 0 | 0
Others |  |  |  |  |  | 0
Classification of warrant as liability |  |  | 0 |  |  |
Debt conversion - 55,000/120,000 common shares | 0 |  |  |  |  |
Ending Balance | 108,437 | 5,393,909 | 4,384,777 | 4,273,038 | 0 | 0
Litigation Financing [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 53,461,815 | 52,691,820 | 52,115,647 | 48,744,614 | 47,056,993 | 45,368,948
Issuance of new instrument |  |  |  |  | 0 |
Issuance of new funding |  |  |  | 0 | 4,633 |
Warrants Exercised |  |  |  | 0 |  |
Change in fair value | 5,206,553 | 769,995 | 576,173 | 1,685,516 | 1,682,988 | 1,685,517
Others |  |  |  |  |  | 2,528
Classification of warrant as liability |  |  | 0 |  |  |
Debt conversion - 55,000/120,000 common shares | 0 |  |  |  |  |
Ending Balance | 58,668,368 | 53,461,815 | 52,691,820 | 50,430,130 | 48,744,614 | 47,056,993
December 2023 Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 3,397,288 | 2,268,472 | 2,392,563 | 0 | 0 | 0
Issuance of new instrument |  |  |  |  | 0 |
Issuance of new funding |  |  |  | 0 | 0 |
Warrants Exercised |  |  |  | 0 |  |
Change in fair value | (2,745,188) | 1,128,816 | (124,091) | 0 | 0 | 0
Others |  |  |  |  |  | 0
Classification of warrant as liability |  |  | 0 |  |  |
Debt conversion - 55,000/120,000 common shares | 0 |  |  |  |  |
Ending Balance | 652,100 | 3,397,288 | 2,268,472 | 0 | 0 | 0
2022 Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 13,046,608 | 9,202,078 | 13,399,822 | 9,946,945 | 8,870,064 | 13,602,467
Issuance of new instrument |  |  |  |  | 0 |
Issuance of new funding |  |  |  | 0 | 0 |
Warrants Exercised |  |  |  | (184,600) |  |
Change in fair value | (10,798,965) | 3,844,530 | (4,197,744) | 243,313 | 1,076,881 | (4,732,403)
Others |  |  |  |  |  | 0
Classification of warrant as liability |  |  | 0 |  |  |
Debt conversion - 55,000/120,000 common shares | 0 |  |  |  |  |
Ending Balance | $ 2,247,643 | $ 13,046,608 | $ 9,202,078 | $ 10,005,658 | $ 9,946,945 | $ 8,870,064

X
- Definition Fair Value Measurement With Unobservable Input Liabilities Reconciliation Others + References No definition available. + Details
Name: | omex_FairValueMeasurementWithUnobservableInputLiabilitiesReconciliationOthers
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 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 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 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
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
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_ThirtySevenNoteEmbeddedDerivativeMember
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_LitigationFinancingMember
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=omex_TwoThousandAndTwentyTwoWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |