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Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2016
Payables and Accruals [Abstract]  
Components of Accrued Expenses

Accrued expenses consist of the following:

 

     2016      2015  

Compensation and bonuses

   $ 1,687,214      $ 866,551  

Vessel operations

     —        1,528,478  

Professional services

     544,412        942,604  

Interest

     2,391,857        828,888  

Accrued insurance payable

     393,715        —  

Other operating

     60,927        98,935  
  

 

 

    

 

 

 

Total accrued expenses

   $ 5,078,125      $ 4,265,456