Inventory, net (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Raw materials	$ 11,618	$ 11,085
Finished goods	25,937	21,159
Allowance for obsolescence	(9,525)	(9,949)
Total inventory, net	$ 28,030	$ 22,295