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Summary of Significant Accounting Policies and Select Balance Sheet Information (Details 8) In Thousands, unless otherwise specified | 12 Months Ended
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Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2010
Schedule of Basic and Diluted Income (loss) per share |  |  |
Basic weighted average shares outstanding | 17,318 | 17,419 | 17,372
Dilutive effect of outstanding stock options and non-vested stock | 113 | 43 | 8
Diluted weighted average shares outstanding | 17,431 | 17,462 | 17,380

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