Note 17 - Share-based Compensation - Restricted Stock Unit Activity (Details) - Restricted Stock Units (RSUs) [Member]	12 Months Ended
	Feb. 01, 2020 $ / shares shares
Number of Vested RSUs (in shares)	381,479
Nonvested, total number of restricted shares (in shares)	38,578
Total Number of RSUs (in shares)	420,057	[1]
Total Number of RSUs Accrued (in shares)	407,198	[2]
Nonvested, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 28.70
Granted, Number of Vested RSUs (in shares)	4,686	[3]
Granted, Number of Nonvested RSUs (in shares)	71,815	[3]
Granted, Total Number of RSUs (in shares)	76,501	[1],[3]
Granted, Total Number of RSUs Accrued (in shares)	52,825	[2],[3]
Granted, Weighted-Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 19.39	[3]
Vested, Number of Vested RSUs (in shares)	33,566
Vested, Total Number of RSUs Accrued (in shares)	10,926	[2]
Vested, Weighted-Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 34.05
Settled, Number of Vested RSUs (in shares)	4,574	[1],[2]
Settled, Number of Nonvested RSUs (in shares)	0
Settled, Weighted-Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 19.02
Number of Vested RSUs (in shares)	415,157
Nonvested, total number of restricted shares (in shares)	76,827
Total Number of RSUs (in shares)	491,984	[1]
Total Number of RSUs Accrued (in shares)	466,375	[2]
Nonvested, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 17.66

[1] Total number of RSUs as of February 1, 2020 includes 272,836 RSUs payable in shares and 219,148 RSUs payable in cash.

[2] Accrued RSUs include all fully vested awards and a pro-rata portion of nonvested awards based on the elapsed portion of the vesting period.

[3] Granted RSUs include 5,475 RSUs resulting from dividend equivalents paid on outstanding RSUs, of which 4,687 related to outstanding vested RSUs and 788 to outstanding nonvested RSUs.