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Summary of Significant Accounting Policies - Summary of Disaggregated Amounts of Operating Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Segment research and development | $ (3,851) | $ (3,546) | $ (12,127) | $ (10,647)
Segment general and administrative | (1,767) | (2,190) | (6,609) | (7,385)
Consolidated operating loss | (5,618) | (5,736) | (18,736) | (18,032)
Operating Segments [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Segment research and development | (3,627) | (3,265) | (11,330) | (9,988)
Segment general and administrative | (1,354) | (1,676) | (5,016) | (6,319)
Stock-based compensation | (626) | (781) | (2,349) | (1,681)
Depreciation expense | (11) | (14) | (41) | (44)
Adjustments and reconciling items | 0 | 0 | 0 | 0
Consolidated operating loss | $ (5,618) | $ (5,736) | $ (18,736) | $ (18,032)

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