OTHER FINANCIAL INFORMATION - Schedule of Prepaid Expense and Other Current Assets (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Clinical trials | $ 5,053 | $ 4,566 |
| Clinical drug substance and product manufacturing | 1,215 | 1,880 |
| Software licenses | 1,042 | 1,303 |
| Professional fees | 469 | 0 |
| Outside research and development services | 383 | 448 |
| Other | 574 | 238 |
| Prepaid expense and other current assets | $ 8,736 | $ 8,435 |