FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Cash and cash equivalents | $ 24,631 | $ 24,027 | $ 19,926 |
| Marketable securities | 297 | 4,981 | 41,590 |
| Total assets | 24,928 | 29,008 | 61,516 |
| Level 1 | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Cash and cash equivalents | 24,631 | 23,133 | 19,926 |
| Marketable securities | 0 | 0 | 0 |
| Total assets | 24,631 | 23,133 | 19,926 |
| Level 2 | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Cash and cash equivalents | 0 | 894 | 0 |
| Marketable securities | 297 | 4,981 | 41,590 |
| Total assets | 297 | 5,875 | 41,590 |
| Level 3 | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Cash and cash equivalents | 0 | 0 | 0 |
| Marketable securities | 0 | 0 | 0 |
| Total assets | $ 0 | $ 0 | $ 0 |