STOCK OPTIONS AND RESTRICTED SHARES - Stock-based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Stock-based compensation | ||
| Total | $ 159 | $ 166 |
| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | ||
| Stock-based compensation | ||
| Total | 0 | 2 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||
| Stock-based compensation | ||
| Total | 148 | 154 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||
| Stock-based compensation | ||
| Total | 1 | 0 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense | ||
| Stock-based compensation | ||
| Total | $ 10 | $ 10 |