Note 6 - Inventories, net

9 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Note 6 – Inventories, net

Inventories consist of:

	December 31, 2017			March 31, 2017
Purchased parts	$	3,839,370		$	3,197,378
Work-in-process		817,543			1,272,235
Finished goods		32,411			68,566
Less: Inventory reserve		(380,000	)		(330,000	)
	$	4,309,324		$	4,208,179