Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Revenues
Product revenue	$ 532	$ 635
Services revenue	4,688	6,027
Total revenues	5,220	6,662
Operating expenses
Direct costs of revenue	1,880	2,061
Product development	1,291	1,173
Selling, general and administrative	2,859	3,370
Total operating expenses	6,030	6,604
(Loss) income from operations	(810)	58
Other (expense) income
Gain from change in fair value of common stock warrant liability	70	95
Interest expense	(210)	(303)
Other, net	(3)	(100)
Total other (expense) income	(143)	(308)
Loss before income taxes	(953)	(250)
Benefit from income taxes	257	3
Net loss	$ (696)	$ (247)
Loss per share:
Basic	$ (0.04)	$ (0.02)
Diluted	$ (0.04)	$ (0.02)
Weighted-average shares used in computing loss per share:
Basic	16,389	16,384
Diluted	16,389	16,384