Note 13 - Segment Information - Segment Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 29, 2020	Aug. 31, 2019	Aug. 29, 2020	Aug. 31, 2019	Nov. 30, 2019
Sales revenues	$ 91,559	$ 109,419	$ 267,480	$ 338,450
Income (loss) from Operations	2,747	3,400	(26,272)	5,050
Early retirement program	0	0	0	(835)
Asset impairment charges	0	0	(12,184)	0
Goodwill impairment	0	0	(1,971)	0
Litigation expense	0	0	(1,050)	0
Depreciation and amortization	3,010	3,357	10,249	10,092
Capital expenditures	423	2,338	2,214	10,651
Identifiable Assets	394,316		394,316		$ 275,766
Wholesale Segment [Member]
Sales revenues	55,443	62,690	153,588	198,602
Goodwill impairment			(1,971)
Retail Segment [Member]
Goodwill impairment			0
Logistical Services [Member]
Goodwill impairment			0
Operating Segments [Member] | Wholesale Segment [Member]
Sales revenues	55,443	62,690	153,588	198,602
Income (loss) from Operations	3,324	3,044	(1,344)	10,399
Depreciation and amortization	747	752	2,338	2,397
Capital expenditures	286	670	979	2,810
Identifiable Assets	156,464		156,464		144,392
Operating Segments [Member] | Retail Segment [Member]
Sales revenues	48,144	66,539	147,161	198,736
Income (loss) from Operations	(1,585)	(431)	(12,004)	(6,430)
Depreciation and amortization	1,516	1,612	4,958	4,661
Capital expenditures	92	1,482	695	6,872
Identifiable Assets	180,252		180,252		91,997
Operating Segments [Member] | Logistical Services [Member]
Sales revenues	17,848	18,899	54,422	60,743
Income (loss) from Operations	1,022	610	15	1,574
Depreciation and amortization	747	993	2,953	3,034
Capital expenditures	45	186	540	969
Identifiable Assets	57,600		57,600		$ 39,377
Intersegment Eliminations [Member]
Income (loss) from Operations	(14)	177	2,266	342
Intersegment Eliminations [Member] | Logistical Services [Member]
Sales revenues	(6,630)	(7,849)	(19,225)	(23,842)
Intersegment Eliminations [Member] | Furniture and Accessories [Member]
Sales revenues	$ (23,246)	$ (30,860)	$ (68,466)	$ (95,789)