INVENTORIES (Tables)

9 Months Ended

Jan. 31, 2017

INVENTORIES

Table summarizing the components of inventories

		January 31, 2017		April 30, 2016
Raw materials	$	1,335,000	$	1,051,000
Work in process		704,000		400,000
Finished goods		603,000		252,000
	$	2,642,000	$	1,703,000