Note 12 - Share-based Compensation - Summary of Stock Options Outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands	6 Months Ended
	May 31, 2022
Balance (in shares)	8,602
November 30, 2021 (in dollars per share)	$ 5.43
Granted (in shares)	1,987
Granted, weighted average exercise price (in dollars per share)	$ 6.71
Exercised (in shares)	(1,086)
Exercised, weighted average exercise price (in dollars per share)	$ 3.99
Cancelled (in shares)	(41)
Cancelled, weighted average exercise price (in dollars per share)	$ 8.21
Balance (in shares)	9,462
May 31, 2022 (in dollars per share)	$ 5.86
May 31, 2022 (Year)	2 years 4 months 28 days
May 31, 2022	$ 8,083
Vested and exercisable as of May 31, 2022 (in shares)	6,063
Vested and exercisable as of May 31, 2022 (in dollars per share)	$ 4.88
Vested and exercisable as of May 31, 2022 (Year)	1 year 6 months 21 days
Vested and exercisable as of May 31, 2022	$ 8,083