XML 41 R16.htm IDEA: XBRL DOCUMENT v2.4.0.8
Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
Dec. 31, 2013
Institution
Companies
Sep. 30, 2013
Dec. 31, 2012
Jan. 07, 2014
Subsequent Event [Member]
Patents
Property, Plant and Equipment [Line Items]        
Number of patents granted       19
Number of patent applications pending       23
Number of financial institutions 1,780      
Number of companies deployed Mobile Deposit 1,362      
Number of U.S. retail banks and payment processing companies 33      
Software development costs capitalized $ 0   $ 0  
Accumulated other comprehensive gain $ 997 $ 1,838