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Note 9 - Income Per Share (Details Textual) - shares
3 Months Ended 6 Months Ended
Jul. 30, 2022
Jul. 31, 2021
Jul. 30, 2022
Jul. 31, 2021
Share-Based Payment Arrangement, Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 89,558 63,877 137,137 246,534