Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Non-Vested Options (Detail)

v3.21.2
Stockholders' Equity - Summary of Non-Vested Options (Detail) - $ / shares
9 Months Ended
Aug. 31, 2021
Aug. 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 (44,887)  
Non-vested at August 31, 2021, Shares 68,493  
Non-vested at November 30, 2020, Weighted Average Grant-Date Fair Value $ 4.65  
Granted, Weighted Average Grant-Date Fair Value 4.56 $ 4.94
Vested, Weighted Average Grant-Date Fair Value 5.00  
Non-vested at August 31, 2021, Weighted Average Grant-Date Fair Value $ 4.39