Note 4 - Inventories (Details) - Activity in the Reserves for Excess Quantities and Obsolete Inventory by Segment (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Aug. 30, 2014
Note 4 - Inventories (Details) - Activity in the Reserves for Excess Quantities and Obsolete Inventory by Segment [Line Items]
Balance at November 30, 2013	$ 1,293
Additions charged to expense	1,239
Write-offs	(1,236)
Balance at August 30, 2014	1,296
Wholesale Segment [Member]
Note 4 - Inventories (Details) - Activity in the Reserves for Excess Quantities and Obsolete Inventory by Segment [Line Items]
Balance at November 30, 2013	1,001
Additions charged to expense	923
Write-offs	(984)
Balance at August 30, 2014	940
Retail Segment [Member]
Note 4 - Inventories (Details) - Activity in the Reserves for Excess Quantities and Obsolete Inventory by Segment [Line Items]
Balance at November 30, 2013	292
Additions charged to expense	316
Write-offs	(252)
Balance at August 30, 2014	$ 356