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Segment Information (Tables) | 6 Months Ended
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Jun. 30, 2026
Segment Reporting [Abstract] |
Schedule of Disaggregated Amounts of Research and Development Expenses and General and Administrative Expenses | In addition to the significant expense categories included within consolidated net loss presented in the condensed consolidated statements of operations and comprehensive loss, the below table sets forth disaggregated amounts that comprise research and development expenses and general and administrative expenses (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Research and development: |  |  |  |  |  |  |  |  |  |  |  |
Direct research and development expenses: |  |  |  |  |  |  |  |  |  |  |  |
Program costs |  | $ | 5,372 |  |  | $ | 4,879 |  |  | $ | 9,896 |  |  | $ | 7,988 |
Unallocated research and development expenses: |  |  |  |  |  |  |  |  |  |  |  |
Personnel-related |  |  | 1,045 |  |  |  | 774 |  |  |  | 2,180 |  |  |  | 1,648 |
Stock-based compensation |  |  | 142 |  |  |  | — |  |  |  | 303 |  |  |  | 57 |
Other |  |  | 110 |  |  |  | — |  |  |  | 251 |  |  |  | — |
Total research and development expenses |  | $ | 6,669 |  |  | $ | 5,653 |  |  | $ | 12,630 |  |  | $ | 9,693 |
General and administrative: |  |  |  |  |  |  |  |  |  |  |  |
Personnel-related |  | $ | 1,467 |  |  | $ | 589 |  |  | $ | 3,529 |  |  | $ | 1,328 |
Stock-based compensation |  |  | 769 |  |  |  | — |  |  |  | 1,484 |  |  |  | — |
Consulting and professional services |  |  | 1,496 |  |  |  | 645 |  |  |  | 3,473 |  |  |  | 2,301 |
Facilities-related and other |  |  | 1,383 |  |  |  | 471 |  |  |  | 2,747 |  |  |  | 831 |
Total general and administrative expenses |  | $ | 5,115 |  |  | $ | 1,705 |  |  | $ | 11,233 |  |  | $ | 4,460 |

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- Definition Tabular disclosure of segment reporting. Includes, but is not limited to, reconciliation of reportable segment amount to corresponding consolidated total. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-31 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-34 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 26C -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-26C Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 26B -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-26B Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 26A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-26A Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-15 + Details
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