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Inventory - Schedule of Components of Inventory (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 11,380 $ 12,094
Work in-process 5,700 4,122
Finished goods 8,992 15,899
Inventory $ 26,072 $ 32,115