Courseware (Details) (Courseware [Member], USD $)	3 Months Ended		9 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Courseware [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization	$ 25,025	$ 34,379	$ 83,227	$ 105,137
Courseware costs capitalized			$ 4,500