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Commitments and Contingencies (Details Textual) (USD $) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2012 sqft | Sep. 30, 2011 | Jul. 03, 2012 sqft
Commitments and Contingencies (Textual) [Abstract] |  |  |
Amended office space subject to the lease | 24,012 |  |
Lease expiration period | Dec 2012 |  |
Increase decrease in rentable square footage subject to lease |  |  | 22,523
Increased amount of Company's annual basic rent | $ 471,000 |  |
Increased percentage of Company's annual basic rent | 3.00% |  |
Rent expense for the Company's operating lease | 336,000 | 288,000 |
Extension of lease | Dec. 30, 2012 |  |
Commencement of lease amendment | Jan. 01, 2013 |  |
Standby letters of credit [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Standby letter of credit to the landlord | $ 210,000 |  |

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