Investment Assets, Net (Tables)

9 Months Ended

Jan. 31, 2013

Investment Assets [Abstract]

Schedule Of Investment Assets [Text Block]

Intangible and other assets, net consist of the following (in thousands):

	January 31, 2013				April 30, 2012
	Cost		Accumulated Amortization		Cost		Accumulated Amortization
Software development costs	$	1,704	$	1,693	$	1,964	$	1,905
Deferred order entry costs		1,275		-		1,320		-
Prepaid expenses		3,308		-		3,315		-
Customer contracts and relationships		16,749		7,561		15,000		6,612
Other		1,737		958		1,671		773
	$	24,773	$	10,212	$	23,270	$	9,290