Organization, Business, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
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Jun. 30, 2026
USD ($)
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Jun. 30, 2025
USD ($)
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Jun. 30, 2026
USD ($)
Segment
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Jun. 30, 2025
USD ($)
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Dec. 31, 2025
USD ($)
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| Description Of Business [Line Items] | |||||
| Net Income (Loss) | $ (10,309) | $ (19,531) | $ (21,100) | $ (34,411) | |
| Accumulated deficit | (627,264) | (627,264) | $ (606,164) | ||
| Cash, cash equivalents, available-for-sale investments and restricted cash | 58,900 | 58,900 | |||
| Restricted cash | $ 1,495 | $ 2,878 | $ 1,495 | $ 2,878 | $ 2,235 |
| Number of operating segment | Segment | 1 | ||||
| Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description | Our CODM is our Chief Executive Officer, who reviews and evaluates consolidated research and development expenses, general and administrative expenses, net loss, net cash used in operating activities and our consolidated cash and cash equivalents for purposes of making operating decisions, allocating resources and planning and forecasting future periods. | ||||
| Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | srt:ChiefExecutiveOfficerMember | ||||
| Pangu BioPharma [Member] | Hong Kong [Member] | |||||
| Description Of Business [Line Items] | |||||
| Majority-owned subsidiary percentage | 98.00% | 98.00% | |||
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- Definition Cash and cash equivalents restricted cash and available for sale investments. No definition available.
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- Definition Description of business. No definition available.
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Indicates title and position of individual or name of group identified as chief operating decision maker (CODM) for segment reporting. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Description of how chief operating decision maker (CODM) uses reported segment profit (loss) measure to assess performance and allocate resource. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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- Details
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