Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies - Calculation of Basic and Diluted Net Income per Common Share (Detail)

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Description of Business and Summary of Significant Accounting Policies - Calculation of Basic and Diluted Net Income per Common Share (Detail) - USD ($)
 12 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Numerator:    
Net income $ 2,771,408 $ 2,083,521
Denominator:    
Weighted average common shares outstanding - basic 8,465,568 8,137,342
Dilutive common shares issuable upon exercise of stock options 18,426 224,378
Weighted-average shares-diluted 8,483,994 8,361,720
Earnings Per Share [Abstract]    
Net income per common share - basic $ 0.33 $ 0.26
Net income per common share - diluted $ 0.33 $ 0.25