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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 6,752 $ 6,546
Work in progress 52 0
Finished goods, net 7,471 6,162
Total $ 14,275 $ 12,708 [1]
[1] Derived from the audited December 31, 2016 financial statements