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Long-Term Debt (Tables)
12 Months Ended
Dec. 31, 2016
Debt Disclosure [Abstract]  
Schedule of Long Term Debt and Unamortized Debt Discount

Long-term debt and unamortized debt discount balances are as follows (in thousands):

 

     December 31,  
     2016      2015  

Notes payable, gross

   $ 30,000      $ 15,000  

Less: Unamortized debt discount

     (472      (389

Accretion of final exit fee

     353        28  
  

 

 

    

 

 

 

Carrying value of notes payable

     29,881        14,639  

Less: Current portion of long-term debt

     (2,500       
  

 

 

    

 

 

 

Long-term debt

   $ 27,381      $ 14,639  
    

 

 

    

 

 

 
Schedule of Future Minimum Payments under Loan

Future minimum payments under the Loan, as of December 31, 2016 are as follows (in thousands):

 

2017

   $ 4,768  

2018

     11,743  

2019

     10,982  

2020

     8,938  
  

 

 

 

Total minimum payments

     36,431  

Less: Interest and final payment

     (6,431
  

 

 

 

Notes payable, gross

   $ 30,000