INVENTORIES (Tables)

6 Months Ended

Oct. 31, 2017

INVENTORIES

Table summarizing the components of inventories

		October 31, 2017		April 30, 2017
Raw materials	$	1,286,000	$	1,305,000
Work in process		908,000		826,000
Finished goods		747,000		608,000
	$	2,941,000	$	2,739,000