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Commitments and Contingencies (Details) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Operating Leases |  |  |
Total rent expense | $ 2,015,000 | $ 1,182,000 | $ 1,256,000
Future minimum rental payments under non-cancelable operating leases are as follows: |  |  |
2015 | 578,000 |  |
2016 | 529,000 |  |
2017 | 124,000 |  |
2018 |  |  |
2019 |  |  |
Total | 1,231,000 |  |
Indemnification Agreement [Member] | Executive Officers [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Period of employment | 18 months |  |
Estimated potential payments | 2,504,000 |  |
Indemnification Agreement [Member] | Key Employees [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Number of individuals | 22 |  |
Period of employment | 18 months |  |
Estimated potential payments | 1,417,000 |  |
Financial Standby Letter of Credit [Member] |  |  |
Letters of Credit |  |  |
Potential liability | $ 254,000 | $ 200,000 |

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