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ACCRUED EXPENSES
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
ACCRUED EXPENSES    
ACCRUED EXPENSES

5. ACCRUED EXPENSES

Accrued expenses consisted of the following:

 
  December 31,
2014
  September 30,
2015
 

Accrued compensation

  $ 635   $ 1,169  

Accrued development costs

    970     597  

Accrued marketing

        685  

Accrued audit and legal

    249     109  

Accrued interest

    71     31  

Accrued other

    31     90  

Total accrued expenses

  $ 1,956   $ 2,681  

6. ACCRUED EXPENSES

Accrued expenses consisted of the following:

 
  As of December 31,  
 
  2013   2014  

Accrued development costs

  $ 520   $ 970  

Accrued compensation

    449     635  

Accrued audit and legal

    12     249  

Accrued interest

        71  

Accrued other

    32     31  

Total accrued expenses

  $ 1,013   $ 1,956