v3.26.1
Note 13 - Share-based Compensation - Other Information Related to Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
May 31, 2026
May 31, 2025
Weighted-average grant-date fair value (in dollars per share) $ 4.13 $ 1.94
Intrinsic value of options exercised $ 3,066 $ 0
Cash received from options exercised $ 0 $ 0
Share-Based Payment Arrangement, Option [Member]    
Expected volatility 57.10% 52.80%
Risk-free interest rate 3.57% 3.63%
Expected forfeiture rate 3.20% 3.30%
Expected dividend rate 0.00% 0.00%
Expected term of options (years) (Year) 4 years 4 years