Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
Revenues	$ 6,774	$ 4,257
Cost of revenues	4,566	2,868
Gross margin	2,208	1,389
Selling, general and administrative expenses:
Research and development expense	426	406
Selling and marketing expense	508	524
General and administrative expense	821	687
Total selling, general and administrative expenses	1,755	1,617
Operating (loss) income	453	(228)
Financial expense:
Interest expense	(15)	(21)
Total financial expense	(15)	(21)
Net (loss) income before income tax (benefit) expense	438	(249)
Income tax (benefit) expense	174	(88)
Net (loss) income	$ 264	$ (161)
Net (loss) income per share information:
Basic (in Dollars per share)	$ 0.07	$ (0.04)
Diluted (in Dollars per share)	$ 0.07	$ (0.04)
Weighted average common shares outstanding:
Basic (in Shares)	3,894	3,885
Diluted (in Shares)	3,944	3,885