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Note 7 - Income Taxes (Details Textual) - USD ($)
$ in Millions
3 Months Ended
May 02, 2020
May 04, 2019
Effective Income Tax Rate Reconciliation, Percent, Total (13.60%) 50.50%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount $ 3.3  
Effective Income Tax Rate Reconciliation, Coronavirus Aid, Amount $ 0.8  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit   $ 0.2