Beneficial ownership percentage.

No definition available.

Name:	omex_BeneficialOwnershipPercentage
Namespace Prefix:	omex_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Class of warrants or rights shares issued on the exercise of warrants.

+ References

No definition available.

+ Details

Name:	omex_ClassOfWarrantsOrRightsSharesIssuedOnTheExerciseOfWarrants
Namespace Prefix:	omex_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instruments face amount.

+ References

No definition available.

+ Details

Name:	omex_DebtInstrumentsFaceAmount
Namespace Prefix:	omex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt outstanding with accrued interest.

+ References

No definition available.

+ Details

Name:	omex_DebtOutstandingWithAccruedInterest
Namespace Prefix:	omex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Paid in cash capitalized principal.

+ References

No definition available.

+ Details

Name:	omex_PaidInCashCapitalizedPrincipal
Namespace Prefix:	omex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Paid in kind interest into debt principal.

+ References

No definition available.

+ Details

Name:	omex_PaidInKindInterestIntoDebtPrincipal
Namespace Prefix:	omex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 48
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-48

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 49
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-49

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482964/270-10-50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (ee)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 24
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-24

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483013/835-20-50-1

+ Details

Name:	us-gaap_InterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(5)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

Name:	us-gaap_NotesReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingCostsAndExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow from operating activities classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

Name:	us-gaap_ProceedsFromOtherOperatingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478448/946-505-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(4)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(i)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-5A

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_InvestmentTypeAxis=omex_ServicesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_InvestmentTypeAxis=omex_PurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_InvestmentTypeAxis=omex_DecemberTwoThousandAndTwentyThreePurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=omex_DecemberTwoThousandAndTwentyThreePurchaseAgreement1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=omex_DecemberTwoThousandAndTwentyThreePurchaseAgreement2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_CollateralAxis=omex_BackOfficeTechnicalAndSupportServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=omex_TwoThousandAndTwentyTwoWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_CicLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_OceanMineralsLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_SalvageAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_OceanicaMarineOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=omex_BetweenTwoThousandTwelveAndTwoThousandFourteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=omex_BetweenTwoThousandFifteenAndTwoThousandSeventeenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions - Additional Information (Detail) - USD ($)				3 Months Ended		6 Months Ended
	May 03, 2024	Apr. 01, 2024	Jun. 10, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 29, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Debt discount amount				$ 1,926,150		$ 1,926,150			$ 3,955,449
Accrued interest receivable						0	$ 288,991
Proceeds from other operating activities	$ 9,400,000
Interest expense				1,833,773	$ 1,074,661	3,653,767	1,781,183
Services Agreement [Member] \| Deep Sea Mineral Company, CIC, LLC [Member]
Related Party Transaction [Line Items]
Debt outstanding with accrued interest				$ 114,100,000		$ 114,100,000
Purchase Agreement [Member] \| Two Seas Funds [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 3.78		$ 3.78
Debt instrument face amount				$ 83,946		$ 165,651
Paid in kind interest into capitalized principal		$ 81,705
Paid in cash capitalized principal								$ 83,946
Class of warrants or rights outstanding				727,514		727,514
Purchase Agreement [Member] \| Fourworld Funds [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 3.78		$ 3.78
Debt instrument face amount				$ 33,282		$ 65,676
Paid in kind interest into capitalized principal		32,394
Paid in cash capitalized principal								33,282
Class of warrants or rights outstanding				285,715		285,715
Purchase Agreement [Member] \| Greywolf [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 3.78		$ 3.78
Debt instrument face amount				$ 215,717		$ 425,675
Paid in kind interest into capitalized principal		$ 209,959
Paid in cash capitalized principal								$ 215,717
Class of warrants or rights outstanding				1,851,852		1,851,852
December Two Thousand And Twenty Three Purchase Agreement [Member] \| Two Seas Funds [Member]
Related Party Transaction [Line Items]
Debt instrument face amount				$ 56,880		$ 112,242
December Two Thousand And Twenty Three Purchase Agreement [Member] \| Fourworld Funds [Member]
Related Party Transaction [Line Items]
Debt instrument face amount				14,220		28,060
December Two Thousand And Twenty Three Purchase Agreement [Member] \| Greywolf [Member]
Related Party Transaction [Line Items]
Debt instrument face amount				$ 28,440		$ 56,121
December Two Thousand And Twenty Three Purchase Agreement1 [Member] \| Two Seas Funds [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 4.25		$ 4.25
Class of warrants or rights outstanding				470,588		470,588
December Two Thousand And Twenty Three Purchase Agreement1 [Member] \| Fourworld Funds [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 4.25		$ 4.25
Class of warrants or rights outstanding				117,648		117,648
December Two Thousand And Twenty Three Purchase Agreement1 [Member] \| Greywolf [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 4.25		$ 4.25
Class of warrants or rights outstanding				235,295		235,295
December Two Thousand And Twenty Three Purchase Agreement2 [Member] \| Two Seas Funds [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 7.09		$ 7.09
Class of warrants or rights outstanding				70,521		70,521
December Two Thousand And Twenty Three Purchase Agreement2 [Member] \| Fourworld Funds [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 7.09		$ 7.09
Class of warrants or rights outstanding				17,631		17,631
December Two Thousand And Twenty Three Purchase Agreement2 [Member] \| Greywolf [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price of warrants or rights				$ 7.09		$ 7.09
Class of warrants or rights outstanding				35,261		35,261
Related Party [Member] \| Back Office Technical and Support Services [Member] \| Deep Sea Mineral Company, CIC, LLC [Member]
Related Party Transaction [Line Items]
Invoiced for technical services				$ 100,000	$ 200,000	$ 300,000	$ 400,000
Related Party [Member] \| Services Agreement [Member]
Related Party Transaction [Line Items]
Financing receivable after allowance for credit loss				$ 1,100,000		$ 1,100,000			700,000
Four World Capital Management Llc [Member]
Related Party Transaction [Line Items]
Beneficial ownership percentage				20.00%		20.00%
Stock issued during the period shares new issues			292,628
Class of warrants or rights exercise price of warrants or rights				$ 3.35		$ 3.35
Four World Capital Management Llc [Member] \| 2022 Warrants [Member]
Related Party Transaction [Line Items]
Class of warrants or rights number of securities covered by warrants or rights			292,628
Class of warrants or rights shares issued on the exercise of warrants			1,000
Class of warrants or rights exercise price of warrants or rights				$ 3.35		$ 3.35
Class of warrants or rights outstanding				291,628		291,628
Fourworlds Funds [Member]
Related Party Transaction [Line Items]
Beneficial ownership percentage				6.00%		6.00%
Two Seas Capital Lp [Member]
Related Party Transaction [Line Items]
Beneficial ownership percentage				9.99%		9.99%
Stock issued during the period shares new issues			447,761
Two Seas Capital Lp [Member] \| 2022 Warrants [Member]
Related Party Transaction [Line Items]
Class of warrants or rights number of securities covered by warrants or rights			447,761
Class of warrants or rights outstanding				447,761		447,761
Greywolf Distressed Opportunities Master Fund, L.P. [Member]
Related Party Transaction [Line Items]
Beneficial ownership percentage				9.20%		9.20%
Stock issued during the period shares new issues			940,298
Greywolf Distressed Opportunities Master Fund, L.P. [Member] \| 2022 Warrants [Member]
Related Party Transaction [Line Items]
Class of warrants or rights number of securities covered by warrants or rights			940,298
Class of warrants or rights outstanding				940,298		940,298
CIC Limited1 [Member]
Related Party Transaction [Line Items]
Equity Method Investment Ownership Interest				15.20%		15.20%
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage						11.50%
Ocean Minerals LLC [Member]
Related Party Transaction [Line Items]
Equity Method Investment Ownership Interest				7.00%		7.00%
Salvage Agreement [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Equity Method Investment Ownership Interest				60.00%		60.00%
Salvage Agreement [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Equity Method Investment Ownership Interest				40.00%		40.00%
Oceanica Marine Operations [Member] \| Services Agreement [Member]
Related Party Transaction [Line Items]
Interest rate, stated percentage				18.00%		18.00%
Debt outstanding with accrued interest									$ 105,000,000
Oceanica Marine Operations [Member] \| Related Party [Member]
Related Party Transaction [Line Items]
Financing receivable after allowance for credit loss				$ 23,000,000		$ 23,000,000
Oceanica Marine Operations [Member] \| Related Party [Member] \| Between 2012 and 2014 [Member]
Related Party Transaction [Line Items]
Financing receivable after allowance for credit loss				11,400,000		11,400,000
Oceanica Marine Operations [Member] \| Related Party [Member] \| Between 2015 and 2017 [Member]
Related Party Transaction [Line Items]
Financing receivable after allowance for credit loss				$ 7,600,000		$ 7,600,000