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Investment In Unconsolidated Entities - Schedule of Financial Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]    
Revenue $ 768,677 $ 803,799
Net income (loss) attributable to Odyssey Marine Exploration, Inc. 15,657,934 5,345,819
Total Assets 18,491,890 22,752,297
Total Liabilities 97,575,061 $ 108,658,831
Ocean Minerals, LLC [Member]    
Schedule of Equity Method Investments [Line Items]    
Revenue 4,982,246  
General expenses (3,160,477)  
Payroll expenses (1,852,828)  
Net income (loss) attributable to Odyssey Marine Exploration, Inc. (2,925,000)  
Total Assets 37,328,006  
Total Liabilities $ 11,329,642