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Note 5 (Details Textual) - $ / shares
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2021
Mar. 26, 2022
Mar. 27, 2021
Mar. 26, 2022
Mar. 27, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)       0 300
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)         $ 29.54
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Month)       51 months  
Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term (Year)       10 years  
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in shares) 8,873 0 0   0
Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in shares) 8,868 0   0 0