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Note 12 - Share-based Compensation - Summary of Stock Options Outstanding (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended
May 31, 2023
Statement [Line Items]  
Balance, options (in shares) 7,717
Balance, weighted average exercise price (in dollars per share) $ 6.18
Granted, options (in shares) 2,292
Granted, weighted average exercise price (in dollars per share) $ 5.71
Exercised, options (in shares) (997)
Exercised, weighted average exercise price (in dollars per share) $ 3.79
Cancelled, options (in shares) (246)
Cancelled, weighted average exercise price (in dollars per share) $ 6.60
Balance, options (in shares) 8,766
Balance, weighted average exercise price (in dollars per share) $ 6.31
Weighted average remaining contractual term (Year) 2 years 7 months 9 days
Aggreagte intrinsic value $ 2,805
Vested and exercisable, options (in shares) 5,027
Vested and exercisable, weighted average exercise price (in dollars per share) $ 6.22
Vested and exercisable, weighted-average remaining contractual term (Year) 1 year 6 months 18 days
Vested and exercisable, aggregate intrinsic value $ 2,805