Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) $ in Thousands	9 Months Ended
	Aug. 31, 2019 USD ($)
Balance, beginning	$ 1,766
Inventory Write-down	1,753
Write-offs	(963)
Balance, ending	2,556
Operating Segments [Member] | Wholesale Segment [Member]
Balance, beginning	1,500
Inventory Write-down	1,481
Write-offs	(741)
Balance, ending	2,240
Operating Segments [Member] | Retail Segment [Member]
Balance, beginning	266
Inventory Write-down	272
Write-offs	(222)
Balance, ending	$ 316