STOCK BASED COMPENSATION EXPENSE - Stock-based compensation expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| STOCK BASED COMPENSATION EXPENSE | ||||
| Total stock-based compensation expense | $ 1,592 | $ 1,843 | $ 3,143 | $ 2,828 |
| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue | ||||
| STOCK BASED COMPENSATION EXPENSE | ||||
| Total stock-based compensation expense | 21 | 25 | 40 | 32 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| STOCK BASED COMPENSATION EXPENSE | ||||
| Total stock-based compensation expense | 1,087 | 1,192 | 2,155 | 1,810 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| STOCK BASED COMPENSATION EXPENSE | ||||
| Total stock-based compensation expense | 85 | 122 | 166 | 177 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense | ||||
| STOCK BASED COMPENSATION EXPENSE | ||||
| Total stock-based compensation expense | $ 399 | $ 504 | $ 782 | $ 809 |