Note 12 - Capital Stock and Stock Compensation - Summary of Restricted Shares Activity (Details) - Restricted Stock [Member]	12 Months Ended
	Nov. 30, 2024 $ / shares shares
Outstanding, shares (in shares) | shares	92,313
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares	$ 17.13
Granted, shares (in shares) | shares	48,109
Granted, grant date fair value (in dollars per share) | $ / shares	$ 16.62
Vested, shares (in shares) | shares	(46,013)
Vested, grant date fair value (in dollars per share) | $ / shares	$ 17.29
Non-vested restricted shares outstanding, shares (in shares) | shares	94,409
Non-vested restricted shares outstanding, grant date fair value (in dollars per share) | $ / shares	$ 15.77