Note 6 - Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	May 30, 2020	Nov. 30, 2019
Intangibles subject to amortization, Gross Carrying Amount	$ 4,384	$ 4,384
Intangibles subject to amortization, Accumulated Amortization	(1,852)	(1,663)
Intangibles subject to amortization, Intangible Assets, Net	2,532	2,721
Trade names	9,338	9,338
Goodwill	12,146	14,117
Total goodwill and other intangible assets	24,016	26,176
Customer Relationships [Member]
Intangibles subject to amortization, Gross Carrying Amount	3,550	3,550
Intangibles subject to amortization, Accumulated Amortization	(1,217)	(1,088)
Intangibles subject to amortization, Intangible Assets, Net	2,333	2,462
Technology-Based Intangible Assets [Member]
Intangibles subject to amortization, Gross Carrying Amount	834	834
Intangibles subject to amortization, Accumulated Amortization	(635)	(575)
Intangibles subject to amortization, Intangible Assets, Net	$ 199	$ 259