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v3.26.1

Summary of Significant Accounting Policies - Basis of Presentation and Going Concern (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 21, 2026 | Dec. 31, 2025 | Dec. 31, 2024 | May 07, 2025 | Oct. 02, 2022
Concentration Risk [Line Items] |  |  |  |  |
Cash and cash equivalents |  | $ 13,164 | $ 43,499 |  |
Accumulated deficit |  | (1,018,554) | (969,603) |  |
Cash used in operating activities |  | (64,854) | (89,060) |  |
Net loss |  | $ (48,951) | $ (137,731) |  |
Stock price (usd per share) |  |  |  | $ 0.24 | $ 10.00
Purchase Agreement |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Conversion of stock, converted (in shares) |  | 3,250,322 |  |  |
Purchase price |  | $ 40,000 |  |  |
Purchase Agreement | Preferred Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Shares issued in transaction (in shares) |  | 20,000,000 |  |  |
Private Placement | Subsequent Event |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Shares issued in transaction (in shares) | 4,000,000 |  |  |  |
Purchase price | $ 20,000 |  |  |  |
Stock price (usd per share) | $ 5.00 |  |  |  |
Conversion of preferred stock into common stock (in shares) | 510,968 |  |  |  |

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