Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.8.0.1
Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 9,744 $ 9,522
Work in progress 2,168 2,153
Finished goods 31,743 32,372
Total inventory $ 43,655 $ 44,047