Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Fair Value of Options Granted (Detail)

v3.21.2
Stockholders' Equity - Fair Value of Options Granted (Detail) - Service-Based Vesting Condition Options [Member]
3 Months Ended 6 Months Ended
May 31, 2021
May 31, 2021
May 31, 2020
Weighted average values:      
Expected dividends 0.00% 0.00% 0.00%
Expected volatility 49.85% 49.85% 64.25%
Risk free interest rate 1.35% 1.35% 1.90%
Expected life 6 years 6 years 9 years