Revenues by Geographic Location (Tables)

12 Months Ended

Apr. 30, 2015

Segment Reporting [Abstract]

Revenue by geographic location

	United
	States		Europe		Other*		Consolidated
April 30, 2015
Revenues	$	23,285,000		3,785,000		1,188,000		28,258,000
Total assets	$	6,269,000		6,000		0		6,275,000
Long lived assets	$	1,498,000		0		0		1,498,000
April 30, 2014
Revenues	$	24,917,000	$	3,431,000	$	2,051,000	$	30,399,000
Total assets	$	7,556,000	$	16,000	$	0	$	7,572,000
Long lived assets	$	1,353,000	$	0	$	0	$	1,353,000