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Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Non-cash litigation financing
Amount settlement from vendor	$ 4,633	$ 5,288,385

X

- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_LitigationStatusAxis=omex_NonCashLitigationFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: