Note 5 - Accrued Rebate Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Beginning balance	$ 2,864	$ 9,599
Charged as a reduction of revenue	$ 2,444	4,120
Reversal of unclaimed rebates		(807)
Payments	$ (1,383)	(5,770)
Ending balance	$ 3,925	$ 7,142