Inventories, net

9 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Note 5 – Inventories, net

Inventories consist of:

	December 31, 2020			March 31, 2020
Purchased parts	$	2,408,455		$	3,011,072
Work-in-process		1,043,772			597,166
Finished goods		53,637			34,441
Less: Inventory reserve		(575,000	)		(550,000	)
	$	2,930,864		$	3,092,679