Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Narrative) (Details)

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Significant Accounting Policies (Narrative) (Details) - USD ($)
6 Months Ended 9 Months Ended
Oct. 31, 2014
Jan. 31, 2016
Jan. 31, 2015
Apr. 30, 2015
Cash and Cash Equivalents [Line Items]        
Cash, FDIC insured amount   $ 250,000    
Restricted cash     $ 1,122,485
Amount reclassified from cost of revenues to marketing expense $ 29,371      
Warrant [Member]        
Cash and Cash Equivalents [Line Items]        
Antidilutive securities   28,871,757    
Employee Stock Option [Member]        
Cash and Cash Equivalents [Line Items]        
Antidilutive securities   19,107,313 14,576,412  
Warrant [Member]        
Cash and Cash Equivalents [Line Items]        
Antidilutive securities     44,007,963  
Convertible Debt [Member]        
Cash and Cash Equivalents [Line Items]        
Antidilutive securities   1,207,143 1,207,143  
Convertible debt   $ 650,000 $ 650,000  
Institution One [Member]        
Cash and Cash Equivalents [Line Items]        
Amount of cash balance uninsured by FDIC   $ 943,975