Business Combinations (Schedule Of Unaudited Pro Forma Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Business Combinations [Abstract]
Revenue	$ 8,135	$ 8,279	$ 16,295	$ 16,622
Net income (loss)	$ (461)	$ 630	$ (436)	$ 250
Basic	$ (0.03)	$ 0.07	$ (0.03)	$ 0.03
Diluted	$ (0.03)	$ 0.07	$ (0.03)	$ 0.03