FAIR VALUE MEASUREMENTS (Details)	12 Months Ended
	Apr. 30, 2014 USD ($)
Line of Credit Facility [Line Items]
Balance at beginning of year	$ 6,947,264
Reduction in derivative instruments from Note conversion	(686,856)
Change in fair value of derivative liabilities	833,750
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value Before Reclassification	7,094,158
Reclassification of derivative liabilities to additional paid-in capital	(7,094,158)
Balance at end year	0
Senior Secured Convertible Notes and Warrants [Member]
Line of Credit Facility [Line Items]
Balance at beginning of year	3,088,756
Reduction in derivative instruments from Note conversion	(686,856)
Change in fair value of derivative liabilities	1,598,537
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value Before Reclassification	4,000,437
Reclassification of derivative liabilities to additional paid-in capital	(4,000,437)
Balance at end year	0
Common Stock Warrants [Member]
Line of Credit Facility [Line Items]
Balance at beginning of year	3,858,508
Reduction in derivative instruments from Note conversion	0
Change in fair value of derivative liabilities	(764,787)
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value Before Reclassification	3,093,721
Reclassification of derivative liabilities to additional paid-in capital	(3,093,721)
Balance at end year	$ 0