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
Feb. 29, 2024
Feb. 28, 2023
Numerator:    
Net Income $ 556,241 $ 766,812
Denominator:    
Weighted-average shares outstanding-basic 8,277,844 8,467,074
Dilutive common shares issuable upon exercise of stock options 47,183 7,663
Weighted-average shares-diluted 8,325,027 8,474,737
Basic $ 0.07 $ 0.09
Diluted $ 0.07 $ 0.09