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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Income taxes |  |
Income tax expense (benefit) | $ 0 | $ 0
Deferred income tax expense (benefit) | 0 | 0
Increase (decrease) in valuation allowance | 7,193 | $ 5,772
Federal |  |
Income taxes |  |
Operating loss carryforwards that expire | 11,503 |
Operating loss carryforwards that do not expire | 26,560 |
Net operating loss carryforwards | 38,063 |
Federal net operating loss carryforwards | 589 |
State |  |
Income taxes |  |
Net operating loss carryforwards | $ 12,613 |

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