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INTANGIBLE ASSETS (Tables)
 6 Months Ended
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