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Commitments and Contingencies (Summary of Operating Lease Activities) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Commitments and Contingencies [Abstract]    
Minimum rentals $ 2,944 $ 2,382
Less sublease rentals (375) (436)
Net rent paid $ 2,569 $ 1,946