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Courseware (Narrative) (Details) (Courseware [Member], USD $)
3 Months Ended 6 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2014
Oct. 31, 2013
Courseware [Member]
       
Finite-Lived Intangible Assets [Line Items]        
Courseware costs capitalized     $ 66,479  
Amortization Expense $ 20,288 $ 27,731 $ 40,500 $ 58,202