Inventories, net (Tables)

3 Months Ended

Jun. 30, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of:

	June 30, 2023			March 31, 2023
Purchased parts	$	2,493,793		$	2,602,447
Work-in-process		1,468,045			1,388,679
Finished Goods		105,940			55,052
Less: Inventory reserve		(461,117	)		(460,113	)
	$	3,606,661		$	3,586,065