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 [Abstract]    
Finished goods $ 43,117 $ 45,776
Work-in-process 1,730 1,177
Raw materials and supplies 6,649 9,836
Inventories $ 51,496 $ 56,789