Note 8 - Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill by Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 24, 2018	Nov. 25, 2017
Balance	$ 11,900	$ 11,588
Goodwill arising from store acquisition (Note 3)	4,143	312
Balance	16,043	11,900
Wholesale Segment [Member]
Balance	5,045	4,839
Goodwill arising from store acquisition (Note 3)	4,143	206
Balance	9,188	5,045
Retail Segment [Member]
Balance	1,926	1,820
Goodwill arising from store acquisition (Note 3)		106
Balance	1,926	1,926
Logistical Services [Member]
Balance	4,929	4,929
Goodwill arising from store acquisition (Note 3)
Balance	$ 4,929	$ 4,929

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant