Segments - Summary of Significant Expense and Asset Categories (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Operating expenses: | ||||||||||
| Research and development | $ 12,068 | $ 10,328 | $ 36,457 | $ 22,132 | ||||||
| Selling, general and administrative | 5,660 | 6,478 | 16,628 | 17,804 | ||||||
| Total operating expenses | 17,728 | 16,806 | 53,085 | 39,936 | ||||||
| Net operating loss | (17,728) | (16,806) | (53,085) | (39,936) | ||||||
| Other segment items | ||||||||||
| Interest income | 1,036 | 1,017 | 2,878 | 2,901 | ||||||
| Other expense, net | (12) | (15) | (16) | (24) | ||||||
| Net loss | (16,704) | $ (17,803) | $ (15,716) | (15,804) | $ (10,847) | $ (10,408) | (50,223) | (37,059) | ||
| Assets: | ||||||||||
| Cash and cash equivalents | $ 113,729 | $ 99,369 | $ 113,729 | $ 99,369 | $ 97,565 | $ 94,851 | ||||
| X | ||||||||||
- Definition Interest income No definition available.
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| X | ||||||||||
- Definition Other segment items. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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/disclosureRef
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| X | ||||||||||
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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