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Note 10 - Stock-based Compensation - Schedule of Allocation of Recognized Period Cost (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2024 | Oct. 01, 2023 | Sep. 29, 2024 | Oct. 01, 2023
Total costs and expenses | $ 1,148 | $ 616 | $ 3,513 | $ 1,917
Cost of Sales [Member] |  |  |  |
Total costs and expenses | 180 | 73 | 505 | 239
Research and Development Expense [Member] |  |  |  |
Total costs and expenses | 323 | 171 | 877 | 513
Selling, General and Administrative Expenses [Member] |  |  |  |
Total costs and expenses | $ 645 | $ 372 | $ 2,131 | $ 1,165

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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