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Inventories, Net (Tables)
9 Months Ended
Sep. 30, 2018
Inventories, Net [Abstract]  
Schedule of inventory
  September 30,
2018
  December 31,
2017
 
Raw materials $1,809  $2,223 
Work in process  61   64 
Finished goods  261   203 
   2,131   2,490 
Less: inventory reserves  (390)  (711)
Inventories, net $1,741  $1,779