SHARE-BASED COMPENSATION - Schedule of Share-based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share based compensation expense | $ 474 | $ 763 | $ 2,308 | $ 3,303 |
| Research and development | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share based compensation expense | 81 | 126 | 364 | 548 |
| General and administrative | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share based compensation expense | $ 393 | $ 637 | $ 1,944 | $ 2,755 |