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Note 5 - Revenue From Contracts With Customers 1 (Details Textual) - USD ($)
 3 Months Ended
Mar. 30, 2025
Mar. 31, 2024
Dec. 31, 2024
Revenue, Remaining Performance Obligation, Amount $ 77,804,000    
Contract with Customer, Liability 46,568,000   $ 53,375,000
Contract with Customer, Liability, Revenue Recognized from Contract Liabilities 9,721,000 $ 7,403,000  
Other Current Assets [Member]      
Contract with Customer, Asset, after Allowance for Credit Loss, Current 3,141,000   4,663,000
Accrued Liabilities [Member]      
Contract with Customer, Liability, Current 44,221,000   50,430,000
Other Noncurrent Liabilities [Member]      
Contract with Customer, Liability, Noncurrent $ 2,347,000   $ 3,945,000