FAIR VALUE MEASUREMENTS (Details) (USD $)	Jan. 31, 2013	Apr. 30, 2012
Liabilities:
Derivative liability - Notes	$ 3,001,306	$ 0
Derivative liability - warrants	1,945,284	0
Fair Value, Inputs, Level 1 [Member]
Liabilities:
Derivative liability - Notes	0
Derivative liability - warrants	0
Fair Value, Inputs, Level 2 [Member]
Liabilities:
Derivative liability - Notes	0
Derivative liability - warrants	0
Fair Value, Inputs, Level 3 [Member]
Liabilities:
Derivative liability - Notes	3,001,306
Derivative liability - warrants	1,945,284
Total Increase Reduction In Fair Value Recorded Member
Liabilities:
Derivative liability - Notes	385,445
Derivative liability - warrants	$ 317,129