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Stockholders' Equity - Summary of Non-Vested Options (Detail) - $ / shares
 6 Months Ended
May 31, 2021
May 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Non-vested at November 30, 2020, Shares 93,380  
Granted, Shares 20,000  
Vested, Shares (30,970)  
Non-vested at May 31, 2021, Shares 82,410  
Non-vested at November 30, 2020, Weighted Average Grant-Date Fair Value $ 4.65  
Granted, Weighted Average Grant-Date Fair Value 4.56 $ 5.03
Vested, Weighted Average Grant-Date Fair Value 4.96  
Non-vested at May 31, 2021, Weighted Average Grant-Date Fair Value $ 4.51