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Inventories - Schedule of Inventory, Net of Reserves (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 3,258 $ 2,291
Finished goods 11,180 9,086
Current Inventories 14,438 11,377
Raw materials 473 599
Finished goods 997 1,065
Long-term Inventories $ 1,470 $ 1,664