Annual report pursuant to Section 13 and 15(d)

Acquisition Obligation (Details 2)

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Acquisition Obligation (Details 2) (USD $)
12 Months Ended
Jul. 31, 2014
Mar. 24, 2011
Jul. 31, 2014
Upon the closing of the Asset Purchase Agreement
Jul. 31, 2014
September 30, 2011
Jul. 31, 2014
March 31, 2012
Jul. 31, 2014
September 24, 2012
Jul. 31, 2014
March 31, 2013
Jul. 31, 2014
December 31, 2013
Acquisition obligation                
Scheduled payments under asset purchase agreement to Inovio   $ 3,000,000            
Scheduled payments     250,000 100,000 150,000 500,000 1,000,000 1,000,000
Payment obligation $ 0