Note 14 - Segment Information - Segment Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 28, 2021	Aug. 29, 2020	Aug. 28, 2021	Aug. 29, 2020	Nov. 28, 2020
Sales revenues	$ 118,906	$ 91,559	$ 356,638	$ 267,480
Income (loss) from Operations	4,490	2,747	18,890	(26,272)
Asset impairment charges	0	0	0	(12,184)
Goodwill impairment charge	0	0	0	(1,971)
Litigation expense	0	0	0	(1,050)
Depreciation and amortization	3,565	3,010	10,458	10,249
Capital expenditures	3,658	423	7,141	2,214
Identifiable Assets	416,033		416,033		$ 402,549
Wholesale Segment [Member]
Sales revenues	46,294	32,197	135,068	85,122
Logistical Services [Member]
Sales revenues	14,036	11,218	40,116	35,197
Furniture and Accessories [Member]
Sales revenues	104,870	80,341	316,522	232,283
Operating Segments [Member] | Wholesale Segment [Member]
Sales revenues	73,073	55,443	219,371	153,588
Income (loss) from Operations	4,466	3,324	14,622	(1,344)
Depreciation and amortization	835	747	2,456	2,338
Capital expenditures	2,078	286	4,244	979
Identifiable Assets	189,763		189,763		176,243
Operating Segments [Member] | Retail Segment [Member]
Sales revenues	58,576	48,144	181,454	147,161
Income (loss) from Operations	917	(1,585)	3,663	(12,004)
Depreciation and amortization	1,528	1,516	4,625	4,958
Capital expenditures	54	92	191	695
Identifiable Assets	165,289		165,289		169,105
Operating Segments [Member] | Logistical Services [Member]
Sales revenues	21,200	17,848	63,525	54,422
Income (loss) from Operations	(486)	1,022	1,267	15
Depreciation and amortization	1,202	747	3,377	2,953
Capital expenditures	1,526	45	2,706	540
Identifiable Assets	60,981		60,981		$ 57,201
Intersegment Eliminations [Member]
Income (loss) from Operations	(407)	(14)	(662)	2,266
Intersegment Eliminations [Member] | Wholesale Segment [Member]
Sales revenues	(26,779)	(23,246)	(84,303)	(68,466)
Intersegment Eliminations [Member] | Logistical Services [Member]
Sales revenues	$ (7,164)	$ (6,630)	$ (23,409)	$ (19,225)