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Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
Components of Accrued Expenses

Accrued expenses consist of the following:

 

     2017      2016  

Compensation and bonuses

   $ 1,871,071      $ 1,687,214  

Professional services

     329,640        544,412  

Interest

     4,056,337        2,391,857  

Accrued insurance payable

     249,247        393,715  

Other operating

     45,040        60,927  
  

 

 

    

 

 

 

Total accrued expenses

   $ 6,551,335      $ 5,078,125