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Inventories - Schedule of Inventory, Net of Reserves (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Raw materials $ 2,291 $ 2,735
Finished goods 9,086 10,712
Current Inventories 11,377 13,447
Raw materials 599 375
Finished goods 1,065 1,643
Long-term Inventories $ 1,664 $ 2,018