Note 1 - Basis of Preparation and Presentation (Details Textual) $ in Millions	Sep. 27, 2025	Aug. 12, 2025 USD ($)
Number of States in which Entity Operates	8
Investment, Variable Interest Rate, Type [Extensible Enumeration]		Secured Overnight Financing Rate (SOFR) [Member]
Receivables Purchase Agreement [Member]
Investment, Basis Spread, Variable Rate		100.00%
Receivables Purchase Program, Purchase Limit		$ 50
Seneca Food Plants [Member]
Number of Real Estate Properties	26