OTHER ASSETS: (Tables)

12 Months Ended

Apr. 30, 2017

Disclosure Text Block Supplement [Abstract]

Schedule of Other Assets [Table Text Block]

Other assets consist of:

	April 30,
	2017		2016
	(in thousands)
Prepaid expenses	$	1,491	$	2,358
Deferred order entry costs		553		845
Other		266		275
	$	2,310	$	3,478