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Commitments and Contingencies - Additional Information (Detail) (USD $)
6 Months Ended
Mar. 31, 2014
sqft
Mar. 31, 2014
Other current liabilities [Member]
Mar. 31, 2014
Other non-current liabilities [Member]
Mar. 31, 2014
Standby letter of credit [Member]
Apr. 12, 2012
USAA [Member]
Patents
Jan. 11, 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 22,523            
Increased amount of Company's annual base rent $ 471,000            
Increased percentage of Company's annual base rent 3.00%            
Tenant improvement allowances 675,690            
Unamortized lease incentives 550,749 104,905 445,844        
Standby letter of credit to the landlord       $ 210,000