INCOME TAX - Valuation allowance (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| INCOME TAX | ||
| Total valuation allowance | $ 37,102 | $ 35,966 |
| Canada | ||
| INCOME TAX | ||
| Total valuation allowance | 3,371 | 3,115 |
| United States | ||
| INCOME TAX | ||
| Total valuation allowance | $ 33,731 | $ 32,851 |