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Segments - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2025 USD ($) Segment | Dec. 31, 2024 USD ($)
Segment Reporting [Abstract] |  |
Number of operating segment | Segment | 1 |
Segment Reporting, Expense Information Used by CODM, Description | The CODM assesses performance for the cardiovascular and pulmonary therapeutics segment and decides how to allocate resources based on net loss that also is reported on the income statement as consolidated net loss. |
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | srt:ChiefExecutiveOfficerMember, srt:PresidentMember |
Product revenue | $ 0 |
Net cash used in operating activities | $ (35,800,000) | $ (14,811,000)

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