Note 12 - Share-based Compensation - Summary of Stock Options Outstanding (Details) $ / shares in Units, shares in Thousands	9 Months Ended
	Aug. 31, 2022 USD ($) $ / shares shares
Balance (in shares) | shares	8,602
November 30, 2021 (in dollars per share) | $ / shares	$ 5.43
Granted (in shares) | shares	1,987
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 6.71
Exercised (in shares) | shares	(1,086)
Exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 3.99
Cancelled (in shares) | shares	(194)
Cancelled, weighted average exercise price (in dollars per share) | $ / shares	$ 7.67
Balance (in shares) | shares	9,309
August 31, 2022 (in dollars per share) | $ / shares	$ 5.80
August 31, 2022 (Year)	2 years 1 month 20 days
August 31, 2022 | $	$ 2,979
Vested and exercisable as of August 31, 2022 (in shares) | shares	6,066
Vested and exercisable as of August 31, 2022 (in dollars per share) | $ / shares	$ 4.86
Vested and exercisable as of August 31, 2022 (Year)	1 year 3 months 21 days
Vested and exercisable as of August 31, 2022 | $	$ 2,979