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Debt - Related Party Promissory Notes (Details) - Related Party Promissory Note - USD ($) $ in Thousands | Dec. 19, 2023 | Aug. 09, 2022 | Mar. 31, 2024 | Dec. 31, 2023 | Dec. 08, 2023 | Jun. 30, 2023
--- | --- | --- | --- | --- | --- | ---
Debt |  |  |  |  |  |
Proceeds from related party debt |  | $ 1,000 |  |  |  |
Loss on extinguishment of debt | $ (594) |  |  |  |  |
Principal amount |  |  |  |  | $ 200 | $ 375
Interest rate |  |  |  |  |  | 12.00%
Outstanding debt balance |  |  | $ 375 | $ 575 |  |
Accrued unpaid interest |  |  |  | $ 25 |  |

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