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INVENTORY (Tables)
 12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventory consisted of the following (in thousands):

 

 

 

December 31, 2017

 

 

December 31, 2016

 

Raw materials

 

$

17,464

 

 

$

6,539

 

Work-in-process

 

 

2,977

 

 

 

3,719

 

Finished goods

 

 

15,824

 

 

 

7,056

 

Inventory

 

$

36,265

 

 

$

17,314