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Fair Value of Measurements - Schedule of Financial Instruments are Measured at Fair Value on a Recurring Basis (Details) - Recurring - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Fair Value of Measurements |  |
Convertible promissory notes | $ 8,838 | $ 34,033
Warrant liabilities | 3,197 |
Common stock forward liability | 451 |
Level 3 |  |
Fair Value of Measurements |  |
Convertible promissory notes | 8,838 | $ 34,033
Warrant liabilities | 3,197 |
Common stock forward liability | $ 451 |

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