Note 12 - Capital Stock and Stock Compensation - Summary of Restricted Shares Activity (Details) - Restricted Stock [Member]	12 Months Ended
	Nov. 25, 2023 $ / shares shares
Outstanding, shares (in shares) | shares	67,099
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares	$ 16.27
Granted, shares (in shares) | shares	66,113
Granted, grant date fair value (in dollars per share) | $ / shares	$ 17.77
Vested, shares (in shares) | shares	(32,899)
Vested, grant date fair value (in dollars per share) | $ / shares	$ 16.73
Forfeited, shares (in shares) | shares	(8,000)
Forfeited, grant date fair value (in dollars per share) | $ / shares	$ 16.86
Non-vested restricted shares outstanding, shares (in shares) | shares	92,313
Non-vested restricted shares outstanding, grant date fair value (in dollars per share) | $ / shares	$ 17.13