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Inventory, Net (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Disclosure Inventory Net [Abstract]    
Raw materials $ 2,183 $ 2,770
Work in process 10,154 6,054
Finished goods 5,901 1,112
Deferred cost of goods sold 1,033 0
Inventory, net $ 19,271 $ 9,936