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DERIVATIVE LIABILITIES (Details Textual) (USD $)			12 Months Ended			12 Months Ended
DERIVATIVE LIABILITIES (Details Textual) (USD $)	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013 Common Stock Warrant [Member]	Apr. 30, 2013 Common Stock Warrant [Member] Maximum [Member]	Apr. 30, 2013 Common Stock Warrant [Member] Minimum [Member]	Apr. 30, 2013 Senior Secured Convertible Notes [Member]	Apr. 30, 2013 Senior Secured Convertible Notes [Member] Maximum [Member]	Apr. 30, 2013 Senior Secured Convertible Notes [Member] Minimum [Member]
Debt Instrument, Convertible, Conversion Price	$ 2.1539			$ 2.1539	$ 1.79		$ 2.1539	$ 1.79
Fair Value Assumptions, Risk Free Interest Rate			0.68%			0.11%
Fair Value Assumptions, Expected Term			5 years			1 year 6 months
Fair Value Assumptions, Expected Dividend Rate			0.00%			0.00%
Fair Value Assumptions, Expected Volatility Rate			71.00%			98.50%
Share Price			$ 2.65			$ 2.65
Derivative liability - Notes	$ 3,088,756	$ 0
Derivative liability - warrants	3,858,508	0
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net			$ 2,230,352			$ 472,896