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Income Taxes - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Tax Credit Carryforward [Line Items] |  |  |
Current income tax expense (benefit) | $ 683,000 | $ 0 |
Deferred income tax expense (benefit) | 0 | 0 |
Operating loss carryforwards | 14,596,000 | 11,022,000 |
Operating loss carryforwards, not subject to expiration | 12,975,000 |  |
Unrecognized tax benefits | 271,000 | 0 | $ 0
Deferred Tax Assets, Net | 0 | 0 |
Research Tax Credit Carryforward |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Unamortized capitalized research and development costs | 26,620,000 | 12,490,000 |
Research Tax Credit Carryforward | Domestic Tax Jurisdiction |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax credit carryforward (prior year approximately) | 2,443,000 | 1,420,000 |
Start-Up Costs Tax Credit Carryforward |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Capitalized start-up costs | $ 30,190,000 | $ 21,950,000 |
Capitalized start-up costs, amortization period | 180 days |  |

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- Definition Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479360/740-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -SubTopic 10 -Topic 740 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 + Details
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