Note 12 - Earnings (Loss) Per Share - Reconciliation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			9 Months Ended
	Aug. 30, 2025	Aug. 31, 2024		Aug. 30, 2025	Aug. 31, 2024
Basic earnings per share - continuing operations, Net Income	$ 801	$ (4,505)		$ 4,573	$ (12,899)
Basic earnings per share - continuing operations, Weighted Average Shares (in shares)	8,650,651	8,725,008		8,665,776	8,742,766
Basic earnings per share - continuing operations, Net Income Per Share (in dollars per share)	$ 0.09	$ (0.52)		$ 0.53	$ (1.48)
Restricted shares, Weighted Average Shares (in shares)	24,564	0	[1]	22,172	0	[1]
Diluted earnings per share - continuing operations, Net Income	$ 801	$ (4,505)		$ 4,573	$ (12,899)
Diluted earnings per share - continuing operations, Weighted Average Shares (in shares)	8,675,215	8,725,008		8,687,948	8,742,766
Diluted earnings per share - continuing operations, Net Income Per Share (in dollars per share)	$ 0.09	$ (0.52)		$ 0.53	$ (1.48)

[1] Due to the net loss for the period, potentially dilutive securities would have been anti-dilutive and are therefore excluded.