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INTANGIBLE ASSETS (Tables) | 6 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | (in thousands) |
|  | September 30, 2025 ($) |  |  | March 31, 2025 ($) |
Intangible Assets |  | Gross Amount |  |  | Accumulated Amortization |  |  | Net Amount |  |  | Gross Amount |  |  | Accumulated Amortization |  |  | Net Amount |
Amortized Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents |  |  | 532 |  |  |  | (209 | ) |  |  | 323 |  |  |  | 530 |  |  |  | (183 | ) |  |  | 347 |
Other intangibles |  |  | 34 |  |  |  | (23 | ) |  |  | 11 |  |  |  | 34 |  |  |  | (22 | ) |  |  | 12 |
Total amortized intangible assets |  |  | 566 |  |  |  | (232 | ) |  |  | 334 |  |  |  | 564 |  |  |  | (205 | ) |  |  | 359 |
Unamortized Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Favorable Contract |  |  | 2,700 |  |  |  | - |  |  |  | 2,700 |  |  |  | - |  |  |  | - |  |  |  | - |
Software development cost |  |  | 1,180 |  |  |  | - |  |  |  | 1,180 |  |  |  | 863 |  |  |  | - |  |  |  | 863 |
Patents |  |  | 660 |  |  |  | - |  |  |  | 660 |  |  |  | 625 |  |  |  | - |  |  |  | 625 |
Other intangibles |  |  | 5 |  |  |  | - |  |  |  | 5 |  |  |  | 5 |  |  |  | - |  |  |  | 5 |
Total unamortized intangible assets |  |  | 4,545 |  |  |  | - |  |  |  | 4,545 |  |  |  | 1,493 |  |  |  | - |  |  |  | 1,493 |
Total Intangible Assets |  |  | 5,111 |  |  |  | (232 | ) |  |  | 4,879 |  |  |  | 2,057 |  |  |  | (205 | ) |  |  | 1,852 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Estimated annual amortization expense |  | (in thousands) ($) |
For the year ended 2027 |  |  | 59 |
For the year ended 2028 |  |  | 65 |
For the year ended 2029 |  |  | 72 |
For the year ended 2030 |  |  | 79 |
For the year ended 2031 |  |  | 87 |

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