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Income Taxes (Details Textual) (USD $) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2012
Income Taxes (Textual) [Abstract] |  |  |
Net change in total valuation allowance | $ 2,247,615 | $ (17,388) |
Valuation allowance to reduce deferred tax assets | (9,344,389) | (7,096,774) |
Operating Loss Expiration Start Year | 2018 |  |
Net operating loss carryforwards for state purposes | 31,323,928 |  |
Research and development credit carryforwards | 29,306 |  |
Alternative minimum tax credit carryforwards | 66,320 | 71,128 |
Net operating loss carryforward will begin to expire | 2013 |  |
Research and development credits Expiry period Beginning year | 2023 |  |
Accrued interest |  |  | 0
Research and development credit [Member] |  |  |
Schedule Of Income Tax [Line Items] |  |  |
Investment credit carryforwards | 21,963 |  |
Manufacturers' investment credit [Member] |  |  |
Schedule Of Income Tax [Line Items] |  |  |
Investment credit carryforwards | 16,568 |  |
Stock Option [Member] |  |  |
Schedule Of Income Tax [Line Items] |  |  |
Federal and state net operating losses | 15,665,767 |  |
Domestic [Member] |  |  |
Schedule Of Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 38,161,579 |  |

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