Note 5 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) $ in Thousands	3 Months Ended
	Feb. 29, 2020 USD ($)
Balance	$ 2,362
Additions charged to expense	472
Write-offs	(547)
Balance at February 29, 2020	2,287
Operating Segments [Member] | Wholesale Segment [Member]
Balance	2,054
Additions charged to expense	383
Write-offs	(445)
Balance at February 29, 2020	1,992
Operating Segments [Member] | Retail Segment [Member]
Balance	308
Additions charged to expense	89
Write-offs	(102)
Balance at February 29, 2020	$ 295