Quarterly report pursuant to Section 13 or 15(d)

Acquisition Obligation (Details)

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Acquisition Obligation (Details) - USD ($)
Oct. 31, 2015
Mar. 24, 2012
Sep. 28, 2011
Acquisition obligation      
Class Of Warrant (in shares) 1,895,102    
First Amendment      
Acquisition obligation      
Class Of Warrant (in shares)     50,000
Second Amendment      
Acquisition obligation      
Class Of Warrant (in shares)   150,000  
September 2011 | First Amendment      
Acquisition obligation      
Acquisition obligation, portion modified by amendment     $ 750,000
Acquisition obligation payment rescheduled to end of month when due     100,000
Acquisition obligation payment rescheduled later date     $ 650,000
March 2012 | Second Amendment      
Acquisition obligation      
Acquisition obligation, portion modified by amendment   $ 1,150,000  
Acquisition obligation payment rescheduled to end of month when due   150,000  
Acquisition obligation payment rescheduled later date   $ 1,000,000