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Inventories (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories are valued at the lower of cost or net realizable value, using the first-in-first-out method and consist of the following:

March 31, 2019December 31, 2018
Raw materials$12,629 $10,456 
Work in progress77 116 
Finished goods11,368 8,391 
Inventories reserve(3,120)(2,667)
Inventories, net$20,954 $16,296