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Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Narrative) (Details)

v3.2.0.727
Significant Accounting Policies (Narrative) (Details) - USD ($)
12 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Significant Accounting Policies [Abstract]    
Restricted cash $ 1,122,485 $ 868,298
Courseware, expected useful life 5 years  
Cash and Cash Equivalents [Line Items]    
Cash, FDIC insured amount $ 250,000  
Amount of cash balance uninsured by FDIC 3,130,003  
Institution One [Member]    
Cash and Cash Equivalents [Line Items]    
Amount of cash balance uninsured by FDIC 2,191,791  
Institution Two [Member]    
Cash and Cash Equivalents [Line Items]    
Amount of cash balance uninsured by FDIC $ 938,212  
Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities 14,426,412 10,746,412
Warrant [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities 28,871,757 23,144,005
Convertible Debt [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities 1,207,143 1,225,564
Convertible debt $ 650,000 $ 775,000