Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 24, 2018
Balance	$ 1,766	$ 1,895
Acquired reserve on inventory (Note 3)		110
Inventory Write-down	2,254	2,309
Write-offs	(1,658)	(2,548)
Write-offs	(1,658)	(2,548)
Balance	2,362	1,766
Operating Segments [Member] | Wholesale Segment [Member]
Balance	1,500	1,618
Acquired reserve on inventory (Note 3)		110
Inventory Write-down	1,881	1,884
Write-offs	(1,327)	(2,112)
Write-offs	(1,327)	(2,112)
Balance	2,054	1,500
Operating Segments [Member] | Retail Segment [Member]
Balance	266	277
Acquired reserve on inventory (Note 3)		0
Inventory Write-down	373	425
Write-offs	(331)	(436)
Write-offs	(331)	(436)
Balance	$ 308	$ 266