Quarterly report pursuant to Section 13 or 15(d)

Income per Common Share - Calculation of Basic and Diluted Net Income per Common Share (Detail)

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Income per Common Share - Calculation of Basic and Diluted Net Income per Common Share (Detail) - USD ($)
3 Months Ended 6 Months Ended
May 31, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Numerator:        
Net Income $ 634,719 $ 1,170,629 $ 1,466,766 $ 1,864,219
Denominator:        
Weighted-average shares outstanding-basic 8,437,544 7,950,791 8,479,071 7,760,214
Dilutive common shares issuable upon exercise of stock options 115,541 322,976 164,035 300,292
Weighted-average shares-diluted 8,553,085 8,273,767 8,643,106 8,060,506
Basic $ 0.08 $ 0.15 $ 0.17 $ 0.24
Diluted $ 0.07 $ 0.14 $ 0.17 $ 0.23