Note 4 - Inventories (Details) - Activity in the Reserves for Excess Quantities and Obsolete Inventory by Segment (USD $) In Thousands, unless otherwise specified	6 Months Ended
	May 31, 2014	Nov. 29, 2013
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	$ 1,293
Additions charged to expense	970
Write-offs	(846)
Balance at May 31, 2014	1,417	1,293
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	729
Write-offs	(671)
Balance at May 31, 2014	1,059	1,001
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	241
Write-offs	(175)
Balance at May 31, 2014	$ 358	$ 292