Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Narrative) (Details)

v3.5.0.2
Significant Accounting Policies (Narrative) (Details) - USD ($)
12 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Cash and Cash Equivalents [Line Items]    
Cash, FDIC insured amount $ 250,000
Courseware, expected useful life 5 years  
Amount of cash balance uninsured by FDIC $ 1,224,863 2,191,791
Restricted cash 1,122,485
Marketing and promotional costs 1,856,918 $ 1,065,812
Institution One [Member]    
Cash and Cash Equivalents [Line Items]    
Amount of cash balance uninsured by FDIC $ 1,224,863  
Warrant [Member]    
Cash and Cash Equivalents [Line Items]    
Antidilutive securities 23,916,272 28,871,757
Employee Stock Option [Member]    
Cash and Cash Equivalents [Line Items]    
Antidilutive securities 18,126,102 14,426,412
Convertible Debt [Member]    
Cash and Cash Equivalents [Line Items]    
Antidilutive securities 907,143 1,207,143
Convertible debt $ 350,000 $ 650,000