Inventory (Tables)
 9 Months Ended
Sep. 30, 2016
Inventory.  
Schedule of Inventory

Inventory as of September 30, 2016 and December 31, 2015 consists of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

    

September 30, 2016

    

December 31, 2015

 

Raw materials and supplies

 

$
24,934

 

$
23,705

 

Work-in-process

 

 
8,033

 

 
5,567

 

Finished goods

 

 
2,827

 

 
3,480

 

 

 

$
35,794

 

$
32,752