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Income Taxes - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Income Tax Examination [Line Items] |  |
Net loss from continuing operations | $ 10,275,000 | $ 41,915,000
Net loss from discontinued operation |  | (10,841,000)
Valuation allowance | 67,072,000 | 65,375,000
Accrual for interest and penalties on unrecognized tax benefits | 0 | 0
Interest and/or penalties expense on unrecognized tax benefits | 0 | $ 0
Domestic Tax Authority |  |
Income Tax Examination [Line Items] |  |
Operating loss carryforwards | 247,785,000 |
Net operating losses subject to expiration | 85,674,000 |
Domestic Tax Authority | Research Tax Credit Carryforward |  |
Income Tax Examination [Line Items] |  |
Tax credit carryforward | 2,286,000 |
State and Local Jurisdiction |  |
Income Tax Examination [Line Items] |  |
Operating loss carryforwards | 236,697,000 |
Net operating losses not subject to expiration | 162,111,000 |
State and Local Jurisdiction | Research Tax Credit Carryforward |  |
Income Tax Examination [Line Items] |  |
Tax credit carryforward | $ 1,622,000 |

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