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Restatement of Consolidated Financial Statements - Schedule of the Reconciliation Impact Recorded to the Consolidated Statement Operation (Details) - USD ($)
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Income Statement [Abstract]                        
Marketing, general and administrative $ 1,564,156               $ 5,189,410   $ 6,843,181 $ 9,427,428
Operations and research 1,067,142               3,562,705   4,298,179 9,760,470
Total operating expenses                     11,141,360 19,187,898
LOSS FROM OPERATIONS                     (10,337,561) (17,853,196)
OTHER INCOME (EXPENSE)                        
Interest expense                       (2,301,795)
Change in derivative liabilities fair value (1,859,147)               (1,574,658)   (8,302,866) (9,914,545)
Total other income (expense) $ (3,597,436)               14,887,343   6,452,959 (11,969,235)
NET INCOME / (LOSS) attributable to Odyssey Marine Exploration, Inc.                 $ 6,772,417   $ 5,345,819 $ (22,079,859)
NET INCOME / (LOSS) PER SHARE                        
Basic (See Note 2) $ (0.19)               $ 0.68   $ 0.27 $ (1.28)
Diluted (See Note 2) $ (0.19)               $ 0.46   $ 0.27 $ (1.28)
Weighted average number of common shares outstanding                        
Basic 20,025,067               19,871,381   19,943,633 17,310,915
Diluted 20,025,067               21,536,962   20,118,877 17,310,915
Previously Reported [Member]                        
Income Statement [Abstract]                        
Marketing, general and administrative   $ 1,820,858 $ 1,877,844 $ 2,213,515 $ 2,292,082 $ 1,918,496 $ 3,698,702 $ 4,210,578   $ 6,424,093   $ 8,487,070
Operations and research   1,498,701 1,787,859 1,864,883 1,229,634 5,056,535 3,286,560 6,286,169   8,151,052   9,891,593
Total operating expenses                       18,378,663
LOSS FROM OPERATIONS                       (17,043,961)
OTHER INCOME (EXPENSE)                        
Interest expense                       (14,086,466)
Change in derivative liabilities fair value           0           0
Total other income (expense)   $ (4,895,111) 17,736,309 $ (3,669,568) $ (3,410,000) (3,415,817) 12,841,198 (6,825,817)   (10,495,385)   (13,839,361)
NET INCOME / (LOSS) attributable to Odyssey Marine Exploration, Inc.     $ 14,365,091     $ (10,091,242) $ 6,326,042 $ (16,632,680)   $ (24,022,237)   $ (23,140,750)
NET INCOME / (LOSS) PER SHARE                        
Basic (See Note 2)   $ (0.29) $ 0.84 $ (0.28) $ (0.3) $ (0.57) $ 0.55 $ (0.86)   $ (1.11)   $ (1.34)
Diluted (See Note 2)   $ (0.29) $ 0.83 $ (0.28) $ (0.3) $ (0.57) $ 0.54 $ (0.86)   $ (1.11)   $ (1.34)
Weighted average number of common shares outstanding                        
Basic   19,918,677 19,666,459 19,482,118 15,803,746 14,365,633 19,793,265 15,088,662   16,569,240   17,310,915
Diluted   19,918,677 19,923,445 19,482,118 15,803,746 14,365,633 20,019,461 15,088,662   16,569,240   17,310,915
Litigation Financing Adjustment [Member]                        
Income Statement [Abstract]                        
Marketing, general and administrative   $ (11,530) $ (61,918) $ (36,724) $ (36,724) $ (36,724) $ (73,448) $ (73,448)   $ (110,172)   $ (146,896)
Operations and research                       0
Total operating expenses                       (146,896)
LOSS FROM OPERATIONS                       146,896
OTHER INCOME (EXPENSE)                        
Interest expense                       11,784,671
Change in derivative liabilities fair value   (1,685,516) (1,685,517)     (1,521,543) (3,371,033) (3,043,086)   (5,539,629)   (6,086,172)
Total other income (expense)   $ 1,568,129 416,547 $ 2,613,786 $ (494,012) 958,945 1,984,676 464,933   3,078,719   5,698,499
NET INCOME / (LOSS) attributable to Odyssey Marine Exploration, Inc.     $ 478,465     $ 995,669 $ 2,058,124 $ 538,381   $ 3,188,891   $ 5,845,395
NET INCOME / (LOSS) PER SHARE                        
Basic (See Note 2)   $ 0.08 $ 0.02 $ 0.14 $ (0.03) $ 0.07 $ 0.1 $ 0.04   $ 0.19   $ 0.34
Diluted (See Note 2)   $ 0.08 $ 0.02 $ 0.14 $ (0.03) $ 0.07 $ 0.1 $ 0.04   0.19   $ 0.34
Weighted average number of common shares outstanding                        
Basic                       0
Diluted                       0
2022 Warrant Adjustment [Member]                        
Income Statement [Abstract]                        
Marketing, general and administrative                       $ 1,087,254
Operations and research                       0
Total operating expenses                       1,087,254
LOSS FROM OPERATIONS                       (1,087,254)
OTHER INCOME (EXPENSE)                        
Interest expense                       0
Change in derivative liabilities fair value                       (3,828,373)
Total other income (expense)                       (3,828,373)
NET INCOME / (LOSS) attributable to Odyssey Marine Exploration, Inc.                       $ (4,915,627)
NET INCOME / (LOSS) PER SHARE                        
Basic (See Note 2)                       $ (0.28)
Diluted (See Note 2)                       $ (0.28)
Weighted average number of common shares outstanding                        
Basic                       0
Diluted                       0
Other Adjustments [Member]                        
Income Statement [Abstract]                        
Marketing, general and administrative                       $ 0
Operations and research   $ (280,595) $ (503,133)       $ (790,997)         (131,123)
Total operating expenses                       (131,123)
LOSS FROM OPERATIONS                       131,123
OTHER INCOME (EXPENSE)                        
Interest expense                       0
Change in derivative liabilities fair value           $ (311,123)   $ 0       0
Total other income (expense)   $ 4,485 (1,102)   $ 311,123 (311,123) 3,383         0
NET INCOME / (LOSS) attributable to Odyssey Marine Exploration, Inc.     $ 496,285     $ (311,123) $ 785,588 $ 0       $ 131,123
NET INCOME / (LOSS) PER SHARE                        
Basic (See Note 2)   $ 0.01 $ 0.03   $ 0.02 $ (0.03) $ 0.04         $ 0.01
Diluted (See Note 2)   $ 0.02 $ 0.03   $ 0.02 $ (0.03) $ 0.04     $ 0   $ 0.01
Weighted average number of common shares outstanding                        
Basic                       0
Diluted     (44,901)       38,433         0