Quarterly report pursuant to Section 13 or 15(d)

Inventory, net (Details)

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Inventory, net (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Raw materials $ 15,177 $ 12,150
Finished goods 21,853 17,971
Allowance for obsolescence (10,287) (10,724)
Total inventory, net $ 26,743 $ 19,397