STOCK BASED COMPENSATION (Details - Compensation expense) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Interim Period, Costs Not Allocable [Line Items] | ||||
| Stock-based compensation expense | $ 1,741 | $ 1,278 | $ 3,147 | $ 2,287 |
| Research And Development [Member] | ||||
| Interim Period, Costs Not Allocable [Line Items] | ||||
| Stock-based compensation expense | 631 | 536 | 1,165 | 995 |
| General And Administrative [Member] | ||||
| Interim Period, Costs Not Allocable [Line Items] | ||||
| Stock-based compensation expense | 1,038 | 740 | 1,867 | 1,339 |
| Selling And Marketing [Member] | ||||
| Interim Period, Costs Not Allocable [Line Items] | ||||
| Stock-based compensation expense | $ 72 | $ 2 | $ 115 | $ (47) |