Inventories (Tables)

12 Months Ended

Apr. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories at April 30, 2017 and 2016, consisted of the following:

	2017			2016
Raw materials	$	1,579,000		$	1,948,000
Work in process		442,000			641,000
Finished goods		356,000			448,000
		2,377,000			3,037,000
Less: allowance for obsolete inventory		(73,000	)		(73,000	)
Totals	$	2,304,000		$	2,964,000