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Inventory (Schedule of Components of Inventory) (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Sep. 30, 2015
Inventory Disclosure [Abstract]    
Raw materials $ 16,095 $ 9,261
Work in-process 5,687 3,207
Finished goods 5,899 4,662
Inventory balance at end of period 27,681 17,130
Current portion 24,150 17,130
Non-Current portion $ 3,531 $ 0