Inventories (Tables)

9 Months Ended

Jan. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories at January 31, 2019 and April 30, 2018 consisted of the following:

	January 31, 2019			April 30, 2018
Raw materials	$	3,275,000		$	2,450,000
Work in process		514,000			444,000
Finished goods		567,000			463,000
		4,356,000			3,357,000
Less: allowance for obsolete inventory		(103,000	)		(90,000	)
Totals	$	4,253,000		$	3,267,000