Inventories, net (Tables)

9 Months Ended

Dec. 31, 2022

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of:

	December 31, 2022			March 31, 2022
Purchased parts	$	2,700,756		$	2,371,105
Work-in-process		1,097,939			962,460
Finished Goods		17,464			-
Less: Inventory reserve		(505,000	)		(513,068	)
	$	3,311,159		$	2,820,497