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Stock-Based Compensation - Schedule of Statements of Operations and Comprehensive Loss (Details) - Stock-Based Compensation Expense [Member] - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Mar. 29, 2026 | Mar. 30, 2025 | Dec. 28, 2025 | Dec. 29, 2024
Schedule of Statements of Operations and Comprehensive Loss [Abstract] |  |  |  |
Total stock-based compensation expense | $ 1,605 | $ 469 | $ 10,488 | $ 3,067
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue |  |  |  |
Schedule of Statements of Operations and Comprehensive Loss [Abstract] |  |  |  |
Total stock-based compensation expense from continuing operations | 485 | 155 | 3,003 | 157
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense |  |  |  |
Schedule of Statements of Operations and Comprehensive Loss [Abstract] |  |  |  |
Total stock-based compensation expense from continuing operations | 654 | 130 | 4,867 | 2,312
Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense |  |  |  |
Schedule of Statements of Operations and Comprehensive Loss [Abstract] |  |  |  |
Total stock-based compensation expense from continuing operations | $ 466 | $ 184 | $ 2,618 | $ 598

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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 S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1 Reference 2: 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 3: 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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