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INVENTORY (Tables)
9 Months Ended
Sep. 30, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventory consisted of the following (in thousands):

 

 

 

September 30, 2018

 

 

December 31, 2017

 

Raw materials

 

$

28,740

 

 

$

17,464

 

Work-in-process

 

 

7,721

 

 

 

2,977

 

Finished goods

 

 

32,570

 

 

 

15,824

 

Inventory

 

$

69,031

 

 

$

36,265