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Other Current Assets (Tables)
 12 Months Ended
Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Current Assets

Other current assets consist of the following:

 

    As of December 31,  
    2014     2015  
Prepaid expenses and deposits   $ 492     $ 504  
Deferred costs     549       813  
Deferred taxes     192       141  
Funded severance assets     203       51  
Employee advances     105       105  
R&D participation receivable     226       168  
Other     46       95  
    $ 1,813     $ 1,877