INTANGIBLE AND OTHER ASSETS: (Tables)

12 Months Ended

Apr. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Intangible and Other Assets [Table Text Block]

Intangible and other assets consist of:

	April 30, 2015				April 30, 2014
	(in thousands)
	Cost		Accumulated  Amortization		Cost		Accumulated Amortization
Customer contracts and relationships	$	16,986	$	10,757	$	16,986	$	9,342
Prepaid expenses		2,520		-		3,019		-
Deferred order entry costs		961		-		1,168		-
Other		730		-		824		12
	$	21,197	$	10,757	$	21,997	$	9,354