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Summary of Significant Accounting Policies (Details Narrative) (USD $)
12 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Jul. 31, 2012
Dec. 17, 2004
Accounting Policies [Abstract]        
Minority interest in consolidated subsidiaries, less than:       100.00%
Ownership in all consolidated subsidiaries       100.00%
Write down of certain patents       $ 440,780  
Write down or disposal of certain long-lived assets 706,590 745,172 2,945,079  
Deferred revenue 223,662 224,843    
Grant revenue received, recorded as deferred revenue $ 0 $ 0 $ 0  
Tax benefit sustained upon settlement, minimum 50.00%