v3.22.2.2
Inventories, net (Tables)
6 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]

Inventories consist of:

 

   

September 30,

2022

   

March 31,

2022

 
                 

Purchased parts

  $ 2,597,760     $ 2,371,105  

Work-in-process

    836,487       962,460  

Less: Inventory reserve

    (500,000

)

    (513,068

)

    $ 2,934,247     $ 2,820,497