Quarterly report [Sections 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. 28, 2025
Feb. 29, 2024
Numerator:    
Net Income $ 282,855 $ 556,241
Denominator:    
Weighted-average shares outstanding-basic 8,082,159 8,277,844
Dilutive common shares issuable upon exercise of stock options 117,863 47,183
Weighted-average shares-diluted 8,200,022 8,325,027
Basic $ 0.03 $ 0.07
Diluted $ 0.03 $ 0.07