v3.26.1
Note 4 - Fair Value Measurements (Details Textual) - EBP 16-0733425 003 [Member]
Dec. 31, 2025
Mutual Fund [Member]  
EBP, Investment, Valuation Technique [Extensible Enumeration] Valuation, Market Approach [Member]
Seneca Foods Corporation Employer Stock Fund [Member]  
EBP, Investment, Valuation Technique [Extensible Enumeration] Valuation, Market Approach [Member]
Variable Annuity [Member]  
EBP, Investment, Valuation Technique [Extensible Enumeration] Valuation, Market Approach [Member]
Common Collective Trusts [Member]  
EBP, Investment, Valuation Technique [Extensible Enumeration] Valuation, Market Approach [Member]