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Inventories, net (Tables)
9 Months Ended
Dec. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block] Inventories consist of:
   

December 31,

2023

   

March 31,

2023

 
                 

Purchased parts

  $ 2,699,756     $ 2,602,447  

Work-in-process

    2,073,756       1,388,679  

Finished Goods

    1,308       55,052  

Less: Inventory reserve

    (454,980 )     (460,113 )
    $ 4,319,840     $ 3,586,065