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Business Combinations (Schedule Of Unaudited Pro Forma Financial Information) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Business Combinations [Abstract]    
Revenue $ 47,693 $ 45,106
Net income $ 1,743 $ 1,270
Basic $ 0.10 $ 0.08
Diluted $ 0.10 $ 0.07