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Inventory (Tables)
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventory consists of the following (in thousands):

 

 

 

September 30, 2019

 

 

December 31, 2018

 

Raw materials

 

$

9,263

 

 

$

10,112

 

Work in process

 

 

11,664

 

 

 

20,604

 

Finished goods

 

 

3,245

 

 

 

8,316

 

Total inventory

 

$

24,172

 

 

$

39,032