Prepaid Expenses and Other Current Assets
 12 Months Ended
Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses and Other Current Assets

5. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consists of the following:

 

     AS OF DECEMBER 31,  
     2015      2014  

Prepaid expenses

    $ 1,479       $ 1,115   

Interest receivable and other current assets

      53         79   
  

 

 

     

 

 

  

Prepaid expenses and other current assets

    $ 1,532       $ 1,194