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Income Taxes (Details Textual) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011
Other Tax Carryforward [Line Items] |  |
Federal income tax benefit received from the Internal Revenue Service | $ (150,816) | $ 75,190
Income Taxes (Textual) [Abstract] |  |
Net deferred tax assets | 24,125,000 | 25,987,000
Federal income tax carryforwards | 53,430,000 |
Excess tax benefits from stock-based compensation | 179,000 | 182,191
Federal R&D tax credits | 1,731,000 |
State R&D tax credits | 720,000 |
Tax provision | 0.00% |
Net of loss carry back number of years option one | 1 year |
Net of loss carry back number of years option two | 2 years |
Net of loss carry back number of years option three | 3 years |
Net operating loss carry forwards maximum number of years | 20 years |
Federal Income tax benefit | 152,333 |
Federal Income Tax Receivable | 40,324 |
Unrecognized tax benefits | 0 |
Material changes | 0 |
Internal Revenue Service (IRS) [Member] |  |
Other Tax Carryforward [Line Items] |  |
Federal income tax benefit received from the Internal Revenue Service | $ 112,009 |

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