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Borrowings and Derivative Liabilities - Schedule of Borrowings and Derivative Liabilities (Details) - Long-Term Debt [Member] - USD ($) $ in Thousands | Mar. 29, 2026 | Dec. 28, 2025
--- | --- | ---
Short-term debt (including current portion of long-term debt): |  |
Current portion of long-term debt | $ 2,786 | $ 2,786
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Total notes payable and derivative liabilities | 134,567 | 158,075
Less current portion | (2,786) | (2,786)
Total senior unsecured convertible notes payable and derivative liabilities, net of current portion | 131,781 | 155,289
Balance sheet classification of long-term debt |  |
Notes payable and derivative liabilities, net of current portion | 99,860 | 120,159
Total | 131,781 | 155,289
Current portion of long-term debt | 2,786 | 2,786
Total long-term debt | 134,567 | 158,075
Third Parties [Member] |  |
Short-term debt (including current portion of long-term debt): |  |
Total Short-term debt with third parties | 13,736 |
Current portion of long-term debt | 2,786 | 2,786
Total short-term debt (including current portion of long-term debt) | 16,522 | 2,786
Balance sheet classification of long-term debt |  |
Current portion of long-term debt | 2,786 | 2,786
Seller – related party [Member] |  |
Short-term debt with related parties: |  |
Seller Note – related party | 20,000 | 20,000
Related Party [Member] |  |
Short-term debt with related parties: |  |
Loan with related party | 1,500 | 1,500
Total short-term debt with related parties | 21,500 | 21,500
Balance sheet classification of long-term debt |  |
Notes payable and derivative liabilities with related parties | 31,921 | 35,130
March 2026 Bridge Note [Member] |  |
Short-term debt (including current portion of long-term debt): |  |
Total Short-term debt with third parties | 9,500 |
Dollar One Point Nine Million Note [Member] |  |
Short-term debt (including current portion of long-term debt): |  |
Total Short-term debt with third parties | 1,530 |
Cobalt Loan [Member] |  |
Short-term debt (including current portion of long-term debt): |  |
Total Short-term debt with third parties | 2,706 |
July 2024 Notes [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 31,911 | 32,969
July 2024 Notes – related parties [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 7,946 | 7,631
Subtotal July 2024 Notes [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 39,857 | 40,600
July 2025 Note – related party [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 1,519 | 1,443
November 2025 Note – related party [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 517 | 491
January 2026 Note – related party [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 1,038 |
July 2024 Notes Derivative Liability [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 14,042 | 19,604
July 2024 Notes derivative liability – related party [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 9,036 | 12,615
Subtotal July 2024 Notes derivative liability [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 23,078 | 32,219
July 2025 Note derivative liability – related party [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 2,239 | 3,246
November 2025 Note derivative liability – related party [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 1,069 |
January 2026 Note derivative liability – related party [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 1,467 | 1,488
Total 12.0% senior unsecured convertible notes and derivative liabilities [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Total senior unsecured convertible notes and derivative liabilities | 70,784 | 79,487
September 2024 Notes [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 15,942 | 14,332
September 2024 Notes – related parties [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 2,804 | 2,346
Subtotal September 2024 Notes [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 18,746 | 16,678
September 2025 Notes [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 3,575 | 3,354
September 2024 Notes Derivative Liability [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 26,351 | 37,930
September 2024 Notes derivative liability – related parties [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 4,286 | 5,870
Subtotal September 2024 Notes derivative liability [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 30,637 | 43,800
September 2025 Notes Derivative Liability [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Gross senior unsecured convertible notes and derivative liabilities | 10,825 | 14,756
Total 7.0% senior unsecured convertible notes and derivative liabilities [Member] |  |
12.0% senior unsecured convertible notes and related derivative liabilities |  |
Total senior unsecured convertible notes and derivative liabilities | $ 63,783 | $ 78,588

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