Inventory
 6 Months Ended
Jun. 30, 2015
Inventory.  
Inventory

 

5.  Inventory

 

Inventory as of June 30, 2015 and December 31, 2014 consisted of the following (in thousands):

 

 

 

June 30, 2015

 

December 31, 2014

 

Raw materials and supplies

 

$
23,299 

 

$
18,502 

 

Work-in-process

 
2,764 

 
237 

 

Finished goods

 
6,826 

 
5,997 

 

 

 

 

 

 

 

 

 

$
32,889 

 

$
24,736