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Commitments and Contingencies - Additional Information (Detail) (USD $) | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2013 sqft | Jul. 03, 2012 sqft | Jan. 31, 2011 | Jun. 30, 2013 Standby letters of credit [Member] | Apr. 12, 2012 USAA [Member] Patents | Jan. 07, 2013 Top Image Systems Ltd. [Member] Patents | Sep. 26, 2012 Top Image Systems Ltd. [Member] Patents
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of patents allegedly infringed |  |  |  |  | 5 | 6 | 5
Amended office space subject to the lease | 24,012 |  |  |  |  |  |
Increase decrease in rentable square footage subject to lease |  | 22,523 |  |  |  |  |
Commencement of lease amendment | Jan. 01, 2013 |  |  |  |  |  |
Extension of lease | Jun. 30, 2019 |  |  |  |  |  |
Increased amount of Company's annual basic rent | $ 471,000 |  |  |  |  |  |
Increased percentage of Company's annual basic rent | 3.00% |  |  |  |  |  |
Standby letter of credit to the landlord |  |  | $ 400,000 | $ 210,000 |  |  |

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