Revenues by Geographic Location (Tables)

12 Months Ended

Apr. 30, 2014

Segment Reporting [Abstract]

Revenue by geographic location

	United
	States		Europe		Other*		Consolidated
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
April 30, 2013
Revenues	$	21,702,000	$	3,983,000	$	1,931,000	$	27,616,000
Total assets	$	8,153,000	$	12,000	$	0	$	8,165,000
Long lived assets	$	1,697,000	$	0	$	0	$	1,697,000
April 30, 2012
Revenues	$	27,980,000	$	5,393,000	$	2,706,000	$	36,079,000
Total assets	$	11,373,000	$	54,000	$	3,000	$	11,430,000
Long lived assets	$	2,503,000	$	0	$	0	$	2,503,000