Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Stock Option Activity (Detail)

v3.21.1
Stockholders' Equity - Stock Option Activity (Detail) - Service-Based Vesting Condition Options [Member] - USD ($)
3 Months Ended 12 Months Ended
Feb. 28, 2021
Nov. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Outstanding at November 30, 2020 1,174,943  
Exercised (25,300)  
Outstanding at February 28, 2021 1,149,643 1,174,943
Exercisable at February 28, 2021 1,079,983  
Outstanding at November 30, 2020, Weighted Average Exercise Price $ 3.72  
Exercised, Weighted Average Exercise Price 7.57  
Outstanding at February 28, 2021, Weighted Average Exercise Price 3.64 $ 3.72
Exercisable at February 28, 2021, Weighted Average Exercise Price $ 3.36  
Outstanding, Weighted Average Remaining Contractual Term (Years) 3 years 29 days 3 years 5 months 1 day
Exercisable at February 28, 2021, Weighted Average Remaining Contractual Term (Years) 2 years 9 months 10 days  
Outstanding at November 30, 2020, Aggregate Intrinsic Value $ 4,502,324  
Outstanding at February 28, 2021, Aggregate Intrinsic Value 7,315,667 $ 4,502,324
Exercisable at February 28, 2021, Aggregate Intrinsic Value $ 7,167,172