Quarterly report pursuant to Section 13 or 15(d)

Inventory, net (Details)

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Inventory, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Raw materials $ 10,767 $ 11,085
Finished goods 21,103 21,159
Allowance for obsolescence (10,115) (9,949)
Total inventory, net $ 21,755 $ 22,295