Quarterly report pursuant to Section 13 or 15(d)

Acquisition Obligation (Details 2)

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Acquisition Obligation (Details 2) (USD $)
12 Months Ended
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