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FAIR VALUE MEASUREMENTS (Details 1) (USD $)
 12 Months Ended
Apr. 30, 2014
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
Balance at end of period, before Reclassification 7,094,158
Reclassification of derivative liabilities to additional paid-in capital (7,094,158)
Balance at end of period 0
Senior Secured Convertible Notes [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
Balance at end of period, before Reclassification 4,000,437
Reclassification of derivative liabilities to additional paid-in capital (4,000,437)
Balance at end of period 0
Senior Secured Convertible 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)
Balance at end of period, before Reclassification 3,093,721
Reclassification of derivative liabilities to additional paid-in capital (3,093,721)
Balance at end of period $ 0