Note 17 - Share-based Compensation - Share-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Total share-based compensation expense	$ 10,246	$ 13,805	$ 11,298
Restricted Stock [Member]
Total share-based compensation expense	9,597	10,925	7,657
Performance Shares [Member]
Total share-based compensation expense	(502)	1,741	3,508
Restricted Stock Units (RSUs) [Member]
Total share-based compensation expense	1,129	1,091	66
Share-based Payment Arrangement, Option [Member]
Total share-based compensation expense	$ 22	$ 48	$ 67