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Inventories (Tables)
12 Months Ended
Dec. 31, 2017
Inventories [Abstract]  
Schedule of Inventory
  
December 31, 2017
  
December 31, 2016
 
       
Raw materials and work in progress
 
$
2,490
  
$
2,440
 
Finished goods
  
519
   
377
 
  
$
3,009
  
$
2,817