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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Raw materials $ 1,127 $ 602
Work in process 4,786 3,850
Finished goods 12,658 3,405
Inventory, gross 18,571 7,857
Reserve for obsolescence (604) (397)
Inventory, net $ 17,967 $ 7,460