Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
Stockholders' Equity - Fair Value of Options Granted (Detail) - Service-Based Vesting Condition Options [Member]
3 Months Ended 6 Months Ended
May 31, 2026
May 31, 2025
May 31, 2026
May 31, 2025
Weighted average values:        
Expected dividends 6.50% 0.00% 6.50% 6.50%
Expected volatility 60.52% 0.00% 62.72% 64.25%
Risk free interest rate 4.19% 0.00% 3.76% 4.40%
Expected life 7 years 0 years 5 years 2 months 12 days 5 years