Quarterly report pursuant to Section 13 or 15(d)

Courseware (Narrative) (Details)

v3.8.0.1
Courseware (Narrative) (Details) - Courseware [Member] - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2017
Oct. 31, 2016
Finite-Lived Intangible Assets [Line Items]        
Courseware costs capitalized     $ 25,100 $ 6,550
Amortization expense $ 13,686 $ 15,099 $ 27,323 $ 31,001