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Other Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Payables and Accruals [Abstract]    
Unearned research and development grants $ 3,989 $ 5,935
Other 1,357 4,205
Other accrued liabilities $ 5,346 $ 10,140