Quarterly report pursuant to Section 13 or 15(d)

Description of Business, Basis of Presentation and Significant Accounting Policies - Disaggregation of Revenue (Detail)

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Description of Business, Basis of Presentation and Significant Accounting Policies - Disaggregation of Revenue (Detail) - USD ($)
3 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Revenues $ 7,495,112 $ 6,228,118
Processing and Storage Fees [Member]    
Revenues 7,335,027 6,200,067
Public Banking Revenue [Member]    
Revenues 134,365  
Product Revenue [Member]    
Revenues $ 25,720 $ 28,051