XML 45 R34.htm IDEA: XBRL DOCUMENT v3.7.0.1
Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Inventories [Abstract]    
Finished goods $ 33,422 $ 36,968
Work-in-process 2,106 1,677
Raw materials and supplies 7,998 6,765
Inventories $ 43,526 $ 45,410