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Cover Page - shares
 6 Months Ended
Jun. 30, 2023
Aug. 08, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2023  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
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 Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company false  
Trading Symbol OMEX  
Title of 12(b) Security Common Stock  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   19,981,901
Entity File Number 001-31895  
Document Quarterly 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  
Entity Address, Address Line Two Suite 210  
Entity Address, State or Province FL