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Commitments and Contingencies - Estimated Future Minimum Lease Payments (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
Fiscal year ended September 30, 2015 $ 1,156
Fiscal year ended September 30, 2016 1,036
Fiscal year ended September 30, 2017 512
Fiscal year ended September 30, 2018 77
Fiscal year ended September 30, 2019 77
Thereafter 2,380
Total minimum lease payments $ 5,238