Note 5 - Supplemental Financial Information - Accrued Rebate Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014
Beginning balance	$ 7,142	$ 2,841	$ 9,599	$ 3,587
Charged as a reduction of revenue	2,430	$ 3,331	6,551	$ 6,064
Reversal of unclaimed rebates	(221)		(1,028)
Payments	(4,433)	$ (2,269)	(10,204)	$ (5,748)
Ending balance	$ 4,918	$ 3,903	$ 4,918	$ 3,903