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Cover Page - shares
 12 Months Ended
Dec. 31, 2023
May 01, 2024
Cover [Abstract]    
Document Type 10-K  
Amendment Flag false  
Document Period End Date Dec. 31, 2023  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus FY  
Entity Registrant Name ODYSSEY MARINE EXPLORATION, INC.  
Entity Central Index Key 0000798528  
Entity Filer Category Non-accelerated Filer  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status No  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company false  
ICFR Auditor Attestation Flag false  
Trading Symbol OMEX  
Title of 12(b) Security Common Stock  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   20,431,126
Entity File Number 001-31895  
Document Annual Report true  
Document Transition Report false  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 84-1018684  
Entity Address, Address Line One 205 S. Hoover Blvd  
Entity Address, City or Town Tampa  
Entity Address, Postal Zip Code 33609  
City Area Code 813  
Local Phone Number 876-1776  
Auditor Name GRANT THORNTON LLP  
Auditor Firm ID 248  
Auditor Location Tampa, Florida  
Entity Address, Address Line Two Suite 210  
Entity Address, State or Province FL  
Documents Incorporated by Reference The information required by Part III of this Form
10-K
is incorporated by reference to the Company’s Definitive Proxy Statement for the Registrant’s Annual Meeting of Stockholders to be held on June 10, 2024. 		 
Document Financial Statement Error Correction [Flag] true  
Document Financial Statement Restatement Recovery Analysis [Flag] true