Note 6 - Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	May 30, 2020	Jun. 01, 2019	Jun. 01, 2019	May 30, 2020	Jun. 01, 2019	Nov. 30, 2019
Balance				$ 14,117
Goodwill impairment	$ (1,971)	$ 0	$ 0	(1,971)	$ 0
Balance	12,146			12,146
Goodwill, accumulated impairment loss	3,897			3,897		$ 1,926
Wholesale Segment [Member]
Balance				9,188
Goodwill impairment				(1,971)
Balance	7,217			7,217
Goodwill, accumulated impairment loss	1,971			1,971		0
Retail Segment [Member]
Balance				0
Goodwill impairment				0
Balance	0			0
Goodwill, accumulated impairment loss	1,926			1,926		1,926
Logistical Services [Member]
Balance				4,929
Goodwill impairment				0
Balance	4,929			4,929
Goodwill, accumulated impairment loss	$ 0			$ 0		$ 0