Note 6 - Inventories (Details) - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2015	Nov. 29, 2014
Note 6 - Inventories (Details) - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment [Line Items]
Balance	$ 1,388	$ 1,412
Additions charged to expense	363
Write-offs	(387)
Wholesale Segment [Member] | Operating Segments [Member]
Note 6 - Inventories (Details) - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment [Line Items]
Balance	1,043	1,060
Additions charged to expense	268
Write-offs	(285)
Retail Segment [Member] | Operating Segments [Member]
Note 6 - Inventories (Details) - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment [Line Items]
Balance	345	352
Additions charged to expense	95
Write-offs	$ (102)