SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Supplemental Financial Information [Abstract] | ||
| Research and development service agreements, current | $ 3,599 | $ 3,527 |
| Research and development service agreements, noncurrent | 4 | 29 |
| Research and development service agreements | 3,603 | 3,556 |
| Other receivables | 1,747 | 625 |
| Prepaid insurance | 694 | 601 |
| Dues and subscriptions | 302 | 368 |
| Property and equipment, net | 68 | 103 |
| Right-of-use asset | 36 | 140 |
| Other, current | 188 | 266 |
| Other, noncurrent | 92 | 78 |
| Other | 280 | 344 |
| Prepaid expenses and other current assets | 6,530 | 5,387 |
| Other assets, long-term | 200 | 350 |
| Total | 6,730 | 5,737 |
| Accumulated depreciation, property and equipment | $ 100 | $ 200 |
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- Definition Dues And Subscriptions No definition available.
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- Definition Research And Development Service Agreements No definition available.
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- Definition Research And Development Service Agreements, Current No definition available.
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- Definition Research And Development Service Agreements, Noncurrent No definition available.
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- Definition Supplemental financial information [Abstract]. No definition available.
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- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of other miscellaneous assets. No definition available.
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- Definition Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer. No definition available.
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- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. No definition available.
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount due from parties in nontrade transactions, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets. No definition available.
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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