Annual report pursuant to Section 13 and 15(d)

Inventories (Details)

v3.3.1.900
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Inventories    
Finished goods and work-in-process $ 40,984 $ 38,906
Raw material and supplies 10,600 9,342
Inventories $ 51,584 $ 48,248