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Borrowings and Derivative Liabilities - Schedule of Fair Value of the Derivative Liability (Details) - USD ($) $ in Thousands | Dec. 28, 2025 | Dec. 29, 2024
--- | --- | ---
July 2024 Notes [Member] | Convertible July 2024 Notes [Member] |  |
Schedule of Fair Value of the Derivative Liability [Line Item] |  |
Principal amount | $ 56,801 | $ 59,587
Less Unamortized debt discount | (16,201) | (16,990)
Total carrying amount | 40,600 | 42,597
July 2025 Note – related party [Member] | Convertible July 2025 Note [Member] |  |
Schedule of Fair Value of the Derivative Liability [Line Item] |  |
Principal amount | 5,000 |
Less Unamortized debt discount | (3,557) |
Total carrying amount | 1,443 |
November 2025 Note – related party [Member] | Convertible July 2025 Note [Member] |  |
Schedule of Fair Value of the Derivative Liability [Line Item] |  |
Principal amount |  | 2,000
Less Unamortized debt discount |  | (1,509)
Total carrying amount |  | 491
September 2024 Notes [Member] | Convertible September 2024 Notes [Member] |  |
Schedule of Fair Value of the Derivative Liability [Line Item] |  |
Principal amount | 65,293 | 79,800
Less Unamortized debt discount | (48,615) | (73,688)
Total carrying amount | 16,678 | $ 6,112
September 2025 Notes [Member] | Convertible September 2025 Notes [Member] |  |
Schedule of Fair Value of the Derivative Liability [Line Item] |  |
Principal amount | 22,000 |
Less Unamortized debt discount | (18,646) |
Total carrying amount | $ 3,354 |

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