EX-12.1 7 d468385dex121.htm EX-12.1 EX-12.1

Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

 

     Nine Months         
     Ended
September 30,		      Year Ended December 31,  
     2017      2016      2015  

Fixed Charges:

         

Interest expense on indebtedness

    $ 246,841      $ 482,204      $ —    

Portion of rental expenses which represents
interest expense

      —          —          —    
  

 

 

     

 

 

     

 

 

  

Total fixed charges

    $ 246,841      $ 482,204      $ —    

Total earnings available for fixed charges

      (4,649,567 )       (16,983,511 )       (17,070,223 ) 
  

 

 

     

 

 

     

 

 

  

Deficiency of earnings to fixed charges

    $ (4,896,408 )     $ (17,465,715 )     $ (17,070,223 )