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. 31, 2013
Note 4 - Inventories (Details) - Activity in the reserves for excess quantities and obsolete inventory by segment [Line Items]
Balance at November 24, 2012	$ 1,089
Additions charged to expense	1,916
Write-offs	(1,707)
Balance at August 31, 2013	1,298
Wholesale Segment [Member]
Note 4 - Inventories (Details) - Activity in the reserves for excess quantities and obsolete inventory by segment [Line Items]
Balance at November 24, 2012	715
Additions charged to expense	1,652
Write-offs	(1,334)
Balance at August 31, 2013	1,033
Retail Segment [Member]
Note 4 - Inventories (Details) - Activity in the reserves for excess quantities and obsolete inventory by segment [Line Items]
Balance at November 24, 2012	374
Additions charged to expense	264
Write-offs	(373)
Balance at August 31, 2013	$ 265