v3.3.0.814
Inventory (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Inventory.    
Raw materials and supplies $ 20,211 $ 18,502
Work-in-process 6,495 237
Finished goods 4,806 5,997
Total inventory $ 31,512 $ 24,736