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 9 Months Ended
Aug. 31, 2024
Aug. 31, 2023
Aug. 31, 2024
Aug. 31, 2023
Numerator:        
Net Income $ 1,051,679 $ 680,561 $ 2,263,710 $ 1,668,349
Denominator:        
Weighted-average shares outstanding-basic 8,061,946 8,286,555 8,151,967 8,358,792
Dilutive common shares issuable upon exercise of stock options 111,589 55,512 89,521 16,147
Weighted-average shares-diluted 8,173,535 8,342,067 8,241,488 8,374,939
Basic $ 0.13 $ 0.08 $ 0.28 $ 0.2
Diluted $ 0.13 $ 0.08 $ 0.27 $ 0.2