v3.25.2
STOCK BASED COMPENSATION (Details - Compensation expense) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense $ 1,278 $ 987 $ 2,287 $ 2,011
Research and Development Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense 536 398 995 775
General and Administrative Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense 740 525 1,339 1,108
Selling And Marketing [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense $ 2 $ 64 $ (47) $ 128