STOCK BASED COMPENSATION - Stock based compensation expense (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| STOCK BASED COMPENSATION | ||||
| Stock based compensation expense | $ 532,000 | $ 321,000 | $ 977,000 | $ 682,000 |
| Unrecognized stock compensation expense | 6,800,000 | $ 6,800,000 | ||
| Unrecognized stock compensation expense expected to be recognized over the remaining weighted average service period | 3 years 5 months 19 days | |||
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| STOCK BASED COMPENSATION | ||||
| Stock based compensation expense | 280,000 | 86,000 | $ 502,000 | 206,000 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | ||||
| STOCK BASED COMPENSATION | ||||
| Stock based compensation expense | $ 252,000 | $ 235,000 | $ 475,000 | $ 476,000 |