INVENTORIES (Tables)

6 Months Ended

Oct. 31, 2018

INVENTORIES

Table summarizing the components of inventories

		October 31, 2018		April 30, 2018
Raw materials	$	1,800,000	$	1,278,000
Work in process		1,023,000		635,000
Finished goods		466,000		449,000
	$	3,289,000	$	2,362,000