INTANGIBLE AND OTHER ASSETS: (Tables)

12 Months Ended

Apr. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Intangible and Other Assets [Table Text Block]

Intangible and other assets consist of:

	April 30, 2016				April 30, 2015
	(in thousands)
	Cost		Accumulated Amortization		Cost		Accumulated Amortization
Customer contracts and relationships	$	7	$	-	$	16,986	$	10,757
Prepaid expenses		2,358		-		2,520		-
Deferred order entry costs		845		-		961		-
Other		268		-		730		-
	$	3,478	$	-	$	21,197	$	10,757