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Note 6 - Stock-based Compensation - Outstanding Performance Shares (Details) - Performance Shares [Member] - shares
Jul. 29, 2023
Jan. 28, 2023
Performance shares (in shares) 199,462 295,048
Vesting Upon Achievement of 2021 - 2023 Consolidated, Cumulative Earnings Before Interest, Taxes, Depreciation and Amortization Objectives [Member]    
Performance shares (in shares) 39,821  
Vesting Upon Achievement of 2021 - 2023 Consolidated Growth Revenue Objectives [Member]    
Performance shares (in shares) 13,274  
Vesting Upon Achievement of 2022 - 2024 Consolidated, Cumulative Earnings Before Interest, Taxes, Depreciation and Amortization Objectives [Member]    
Performance shares (in shares) 60,835  
Vesting Upon Achievement of 2022 - 2024 Consolidated Growth Revenue Objectives [Member]    
Performance shares (in shares) 20,278  
Vesting Upon Achievement of 2023 - 2025 Pretax Income Growth Objectives [Member]    
Performance shares (in shares) 42,415  
Vesting Upon Achievement of 2023 - 2025 Consolidated Revenue Growth Objectives [Member]    
Performance shares (in shares) 22,839