v3.26.1
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