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Inventory (Tables)
 6 Months Ended
Jun. 30, 2017
Inventory.  
Schedule of Inventory

Inventory as of June 30, 2017 and December 31, 2016 consists of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

    

June 30, 2017

    

December 31, 2016

 

Raw materials and supplies

 

$

31,041

 

$

26,298

 

Work-in-process

 

 

8,840

 

 

1,865

 

Finished goods

 

 

2,822

 

 

1,777

 

 

 

$

42,703

 

$

29,940