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Common Stock and Common Stock Warrants (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 16, 2024 USD ($) | Jun. 17, 2024 USD ($) $ / shares shares | Jun. 30, 2024 USD ($) | Dec. 28, 2025 USD ($) $ / shares shares | Dec. 29, 2024 USD ($) shares | Sep. 21, 2025 USD ($) | Aug. 14, 2024 shares | Jul. 31, 2024 $ / shares shares
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Common stock, shares authorized | shares |  |  |  | 1,000,000,000 | 1,000,000,000 |  |  |
Preferred stock issued | shares |  |  |  |  |  |  |  |
Preferred stock outstanding | shares |  |  |  |  |  |  |  |
Newly issued shares |  |  |  | $ 6,741 | $ 7,144 |  |  |
Shares of common stock | shares |  |  |  | 111,334,959 | 73,784,645 |  |  |
Total issued |  |  |  | $ 16 | $ 14 |  |  |
Net proceeds |  |  |  | $ 6,741 | 6,694 |  |  |
Warrant to purchase shares | shares |  |  |  | 234,610 |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  |  |  | $ 1.68
Change in fair value of warrant liabilities |  |  | $ 6,600 | $ 2,800 | (2,921) |  |  |
Debt Instrument, Unamortized Discount |  |  |  | 66,800 | 10,900 | $ 2,200 |  |
Convertible Notes Payable |  |  |  | $ 158,075 | 145,831 |  |  |
Warrant assumption |  |  |  | 4.2 |  |  |  |
Ayna Warrant [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Warrant to purchase shares | shares |  | 6,000,000 |  | 6,000,000 |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  | $ 0.01 |  | $ 60,000.00 |  |  |  |
Change in fair value of warrant liabilities |  | $ 9,200 |  |  |  |  |  |
Interest expense |  |  |  | $ 9,200 |  |  |  |
Cantor Warrant [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Warrant to purchase shares | shares |  |  |  |  |  |  |  | 3,066,141
Convertible Notes Payable |  |  |  | $ 500 |  |  |  |
Warrants and Rights Outstanding, Term |  |  |  | 5 years |  |  |  |
Series C-1 Warrants [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Change in fair value of warrant liabilities |  |  |  | $ 1,400 |  |  |  |
Debt Instrument, Unamortized Discount |  |  |  | 900 |  |  |  |
White Lion Amended SPA [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Total issued |  |  |  | $ 4,000 |  |  |  |
Measurement Input, Option Volatility [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Warrant assumption |  |  |  | 55 |  |  |  |
Preferred Stock [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Preferred stock, shares authorized | shares |  |  |  | 10,000,000 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Newly issued shares |  |  |  |  |  |  |  |
Common stock outstanding, percentage | 9.99% |  |  |  |  |  |  |
Net proceeds |  |  |  | $ 6,700 |  |  |  |
Common Stock [Member] | White Lion Capital, LLC [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Newly issued shares | $ 30,000 |  |  |  |  |  |  |
Common Stock [Member] | Hour Rapid [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Shares of common stock | shares |  |  |  |  |  |  | 100,000 |
Total issued |  |  |  |  | $ 2,900 |  |  |
Employee Stock Purchase Plan [Member] |  |  |  |  |  |  |  |
Common Stock and Common Stock Warrants [Line Items] |  |  |  |  |  |  |  |
Percentage of fair market values of stock |  |  |  | 85.00% |  |  |  |

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