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Summary of Significant Accounting Policies - Summary of Disaggregated Amounts of Operating Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Summary Of Significant Accounting Policies [Line Items] |  |  |
Segment research and development |  | $ (4,224) | $ (2,944)
Segment general and administrative |  | (2,273) | (2,823)
Consolidated operating loss |  | (6,497) | (5,767)
Operating Segments [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Segment research and development | [1],[2] | (4,040) | (2,765)
Segment general and administrative | [1],[2] | (1,893) | (2,573)
Stock-based compensation |  | (549) | (414)
Depreciation expense |  | (15) | (15)
Adjustments and reconciling items |  | 0 | 0
Consolidated operating loss |  | $ (6,497) | $ (5,767)
[1] | Depreciation expense of $7,000 and $8,000 related to research and development and $8,000 and $7,000, related general and administration have been excluded for the three months ended March 31, 2025 and 2024, respectively.
[2] | Stock-based compensation expense of $177,000 and $171,000 related to research and development and $372,000 and $243,000, related to general and administration have been excluded for the three months ended March 31, 2025 and 2024, respectively.

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