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Note 11 - Commitments and Contingencies (Details Textual) - USD ($)	Jul. 03, 2022	Dec. 31, 2021
Standard and Extended Product Warranty Accrual, Ending Balance	$ 680,000	$ 659,000
Accrual for Environmental Loss Contingencies, Ending Balance	0	$ 0
Inventories [Member]
Purchase Obligation, Total	60,104,000
Purchase Obligation, to be Paid, Remainder of Fiscal Year	21,558,000
Purchase Obligation, to be Paid, Year One	28,339,000
Purchase Obligation, to be Paid, Year Two	10,207,000
Capital Addition Purchase Commitments [Member]
Purchase Obligation, Total	$ 1,774,000

X

- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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