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Courseware (Schedule of Estimated Future Amortization Expense) (Details) - USD ($)
Apr. 30, 2016
Apr. 30, 2015
Finite-Lived Intangible Assets [Line Items]    
Intangible asset, net $ 194,932 $ 173,311
Courseware [Member]    
Finite-Lived Intangible Assets [Line Items]    
2017 57,271  
2018 49,182  
2019 47,709  
2020 33,867  
2021 6,903  
Intangible asset, net $ 194,932 $ 173,311