Note 12 - Capital Stock and Stock Compensation - Summary of Restricted Shares Activity (Details) - Restricted Stock [Member]	12 Months Ended
	Nov. 29, 2025 $ / shares shares
Outstanding, shares (in shares) | shares	94,409
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares	$ 15.77
Granted, shares (in shares) | shares	17,556
Granted, grant date fair value (in dollars per share) | $ / shares	$ 14.11
Vested, shares (in shares) | shares	(47,409)
Vested, grant date fair value (in dollars per share) | $ / shares	$ 16.23
Forfeited (in shares) | shares	(3,100)
Forfeited. grant date fair value (in dollars per share) | $ / shares	$ 16.94
Outstanding, shares (in shares) | shares	61,456
Outstanding, grant date fair value (in dollars per share) | $ / shares	$ 15.41