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Note 4 - Balance Sheet Components (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Apr. 02, 2023
Dec. 31, 2023
Property, Plant and Equipment, Gross $ 25,433   $ 22,199
Capitalized Computer Software, Amortization 800 $ 400  
Interest Costs Capitalized 0 0  
Accounts Receivable, after Allowance for Credit Loss 200 100  
Pre-Product Design And Development [Member]      
Property, Plant and Equipment, Gross $ 3,960 $ 0