Annual report pursuant to Section 13 and 15(d)

Inventory, net (Details)

v3.8.0.1
Inventory, net (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 6,489 $ 10,219
Finished goods 21,225 19,581
Allowance for obsolescence (7,515) (9,437)
Total inventory, net $ 20,199 $ 20,363