INVENTORIES (Tables)

12 Months Ended

Apr. 30, 2019

INVENTORIES

Table summarizing the components of inventories

		2019		2018
Raw materials	$	1,723,000	$	1,278,000
Work in process		1,052,000		635,000
Finished goods		279,000		449,000
	$	3,054,000	$	2,362,000