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Inventories (Tables)
 9 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
Schedule of Inventory
   

September 30,

2017

(Unaudited)

    

December 31,

2016

  
Raw materials   $ 1,315     $ 1,309  
Work in process     145       203  
Finished goods     2,164       2,299  
    $ 3,624     $ 3,811