INVENTORIES (Tables)

3 Months Ended

Jul. 31, 2019

INVENTORIES

Table summarizing the components of inventories

		July 31, 2019		April 30, 2019
Raw materials	$	1,786,000	$	1,723,000
Work in process		1,345,000		1,052,000
Finished goods		125,000		279,000
	$	3,256,000	$	3,054,000