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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts

SCHEDULE II – VALUATION and QUALIFYING ACCOUNTS

For the Fiscal Years of 2015, 2016 and 2017

ODYSSEY MARINE EXPLORATION, INC. AND SUBSIDIARIES

 

     Balance at
Beginning
of Year
     Charged
(Credited)
to Expenses
     Charged
(Credited)
to Other
Accounts
    Deductions     Balance at
End of
Year
 

Inventory reserve

            

2015

     371,332        —          (251,023     (120,309     —    

2016

     —          —          —         —         —    

2017

     —          —          —         —         —    

Accounts receivable reserve

            

2015

     4,631,593        —          (2,315,796     —         2,315,797  

2016

     2,315,797        —          29,932       —         2,345,729  

2017

     2,345,729        —          —         (2,345,729     —