INCOME TAXES - Valuation allowance (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| INCOME TAXES | ||
| Balance at beginning of the year | $ 19,528 | $ 14,491 |
| Additions to valuation allowance | 7,048 | 5,037 |
| Balance at end of the year | $ 26,576 | $ 19,528 |