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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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