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Note 12 - Commitments and Contingencies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 29, 2024
Dec. 31, 2023
Oct. 01, 2023
Sep. 29, 2024
Oct. 01, 2023
Standard and Extended Product Warranty Accrual $ 866,000 $ 805,000   $ 866,000  
Product Warranty Expense 97,000   $ 85,000 306,000 $ 256,000
Inventories [Member]          
Purchase Obligation 39,848,000     39,848,000  
Purchase Obligation, to be Paid, Remainder of Fiscal Year 22,115,000     22,115,000  
Purchase Obligation, to be Paid, Year One $ 16,679,000     $ 16,679,000  
DOL [Member] | Settled Litigation [Member]          
Payments for Legal Settlements   $ 575,000      
Loss Contingency, Percentage Penalty   10.00%