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Inventory, Net (Tables)
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Schedule of Inventory

The composition of inventory is as follows:

 

    As of
December 31, 2014
    As of
June 30, 2015
 
Raw materials   $ 682     $ 518  
Work-in-process     275       431  
Finished goods     417       260  
    $ 1,374     $ 1,209