SENIOR SECURED CONVERTIBLE NOTES (Details) (USD $)	Apr. 30, 2013	Apr. 30, 2012
Senior secured convertible notes, interest at 4% per annum to maturity June 5, 2014	$ 4,000,000
Debt discount - value attributable to warrants attached to notes, net of accumulated amortization of $1,111,111 at April 30, 2013	(2,888,889)
Total	1,111,111	0
Less: current portion	(1,111,111)
Total long-term portion	$ 0