Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Stockholders' Equity - Fair Value of Options Granted (Detail) - Service-Based Vesting Condition Options [Member]
3 Months Ended
Feb. 29, 2020
Weighted average values:  
Expected dividends 0.00%
Expected volatility 64.25%
Risk free interest rate 1.90%
Expected life 9 years