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Note 8 - Shareholders' Equity (Details Textual) - shares
 3 Months Ended
May 23, 2022
May 29, 2022
May 30, 2021
Jul. 01, 2022
Stock Repurchase Program, Number of Additional Shares Authorized to be Repurchased (in shares) 1,500,000      
Stock Repurchased During Period, Shares (in shares)   0 0  
Subsequent Event [Member]        
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in shares)       1,500,000
Stock Repurchase Program, Percentage of Outstanding Shares Authorized to be Repurchased       7.30%
Common Stock, Shares, Outstanding, Ending Balance (in shares)       20,458,210