Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Stockholders' Equity - Summary of Non-Vested Options (Detail) - $ / shares
3 Months Ended 9 Months Ended
Aug. 31, 2019
Aug. 31, 2020
Aug. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Non-vested at November 30, 2019 Shares   125,234  
Granted, Shares 110,965 51,969 112,465
Vested, Shares   (102,626)  
Non-vested at August 31, 2020, Shares   74,577  
Non-vested at November 30, 2019, Weighted Average Grant-Date Fair Value   $ 4.70  
Granted, Weighted Average Grant-Date Fair Value   4.94 $ 3.32
Vested, Weighted Average Grant-Date Fair Value   4.62  
Non-vested at August 31, 2020, Weighted Average Grant-Date Fair Value   $ 4.98