STOCKHOLDERS' EQUITY - Compensation cost (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation expenses | $ 1,441 | $ 2,342 |
| Cost of revenues | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation expenses | 5 | 10 |
| Research and development | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation expenses | 92 | 526 |
| Sales and marketing | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation expenses | 133 | 815 |
| General and administrative | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Total stock-based compensation expenses | $ 1,211 | $ 991 |