Annual report pursuant to Section 13 and 15(d)

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

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Description of Business and Summary of Significant Accounting Policies - Calculation of Basic and Diluted Net (loss) Income per Common Share (Detail) - USD ($)
12 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Denominator:    
Weighted-average shares outstanding-basic 7,794,828 7,463,051
Dilutive common shares issuable upon exercise of stock options 617,586  
Weighted-average shares-diluted 8,412,414 7,463,051
Income(Loss) per share:    
Basic $ 0.29 $ (0.11)
Diluted $ 0.27 $ (0.11)
Net Income (Loss) $ 2,290,774 $ (854,824)