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Note 7 - Income Taxes (Details Textual)
3 Months Ended 12 Months Ended
Apr. 30, 2022
May 01, 2021
Jan. 29, 2022
Effective Income Tax Rate Reconciliation, Percent, Total 22.00% 21.30%  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   21.00% 21.00%