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Inventory - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 9,368 $ 5,482
Work-in-process 14,339 5,556
Finished goods 15,482 16,696
Total Inventory $ 39,189 $ 27,734