Note 9 - Restructuring Costs (Details Textual)	12 Months Ended
	Jan. 30, 2016 USD ($)	Jan. 31, 2015 USD ($)	Feb. 01, 2014 USD ($)	Feb. 02, 2013
Employee Severance [Member]
Restructuring and Related Cost, Incurred Cost			$ 1,700,000
Facility Closing [Member]
Restructuring and Related Cost, Incurred Cost	$ 100,000		600,000
Cost of Sales [Member]
Restructuring and Related Cost, Incurred Cost		$ 100,000	100,000
Operating Expense [Member]
Restructuring and Related Cost, Incurred Cost		$ 1,000,000	$ 2,300,000
Restructuring and Related Cost, Number of Positions Eliminated		29	67	114
Restructuring and Related Cost, Incurred Cost		$ 1,100,000	$ 2,300,000