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Note 15 - Commitments and Contingencies (Details Textual) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Accrual for Environmental Loss Contingencies, Ending Balance $ 0 $ 0
DOL [Member]    
Estimated Litigation Liability 575,000  
Inventories [Member]    
Purchase Obligation 39,764,000  
Purchase Obligation, to be Paid, Year One 33,570,000  
Purchase Obligation, to be Paid, Year Two 6,194,000  
Capital Addition Purchase Commitments [Member]    
Purchase Obligation $ 298,000