Note 11 - Earnings Per Share - Reconciliation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		4 Months Ended	6 Months Ended
	May 28, 2022	May 29, 2021	May 29, 2021	May 28, 2022	May 29, 2021
Unvested shares (in shares)	15,799		0	67,099	7,105
Basic earnings per share - continuing operations	$ 7,743	$ 5,077		$ 12,034	$ 8,774
Basic earnings per share - continuing operations (in shares)	9,521,085	9,894,627		9,636,813	9,907,073
Basic earnings per share - continuing operations (in dollars per share)	$ 0.81	$ 0.51		$ 1.25	$ 0.89
Restricted shares, weighted average shares (in shares)	12,938	5,476		2,917	12,629
Diluted earnings per share - continuing operations	$ 7,743	$ 5,077		$ 12,034	$ 8,774
Diluted earnings per share - continuing operations (in shares)	9,534,023			9,639,730	9,919,702
Income from continuing operations (in dollars per share)	$ 0.81	$ 0.51		$ 1.25	$ 0.89
Basic earnings per share - discontinued operations	$ 39,375	$ 897		$ 40,657	$ 1,211
Basic earnings per share - discontinued operations (in dollars per share)	$ 4.14	$ 0.09		$ 4.22	$ 0.12
Diluted earnings per share - discontinued operations	$ 39,375	$ 897		$ 40,657	$ 1,211
Diluted earnings per share - discontinued operations (in dollars per share)	$ 4.13	$ 0.09		$ 4.22	$ 120
Basic earnings per share - continuing operations	$ 7,743	$ 5,077		$ 12,034	$ 8,774
Income from continuing operations (in dollars per share)	$ 0.81	$ 0.51		$ 1.25	$ 0.89
Diluted earnings per share - discontinued operations (in dollars per share)	4.13	0.09		4.22	120
Income from discontinued operations (in dollars per share)	$ 4.14	$ 0.09		$ 4.22	$ 0.12
Discontinued Operations [Member]
Basic earnings per share - continuing operations (in shares)	9,521,085	9,894,627		9,636,813	9,907,073
Restricted shares, weighted average shares (in shares)	12,938	5,476			12,629
Diluted earnings per share - continuing operations (in shares)	9,534,023	9,900,103		9,639,730	9,919,702
Diluted Earnings Per Share Adjustment (in dollars per share)	$ 0.01