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Note 9 - Stock-based Compensation - Stock-based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 30, 2024 | Apr. 01, 2023
Total stock-based compensation | $ 18,494 | $ 14,255
Cost of Sales [Member] |  |
Total stock-based compensation | 855 | 953
Research and Development Expense [Member] |  |
Total stock-based compensation | 8,098 | 5,339
Selling, General and Administrative Expenses [Member] |  |
Total stock-based compensation | $ 9,541 | $ 7,963

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