Annual report pursuant to Section 13 and 15(d)

9. STOCK OPTIONS AND WARRANTS (Details Narrative)

v3.5.0.2
9. STOCK OPTIONS AND WARRANTS (Details Narrative) - USD ($)
 12 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2014
Debt converted     $ 4,783,671
Class A Warrants [Member]      
Warrants converted 18,755,200    
Debt converted $ 25,920    
Proceeds from warrants issued $ 1,380,720    
Class B Warrants [Member]      
Warrants converted 2,318,000    
Proceeds from warrants issued $ 278,160    
Class D Warrants [Member]      
Warrants converted 18,755,200    
Cashless Warrants [Member]      
Non-cash charges related to vesting of stock options $ 791,506 $ 122,764  
Warrants issued 10,000,000    
Non-cash expense of warrants $ 791,506 122,764  
Other Warrants [Member]      
Non-cash charges related to vesting of stock options $ 113,834 17,656  
Warrants issued 5,000,000    
Non-cash expense of warrants $ 113,834 17,656  
Unregistered common stock [Member]      
Warrants issued 5,000,000    
Unvested Stock Options [Member]      
Unrecognized compensation expense $ 512,000    
Unrecognized compensation expense weighted-average period 1 year    
Warrants issued 17,000,000    
Proceeds from warrants issued $ 1,020,000    
Warrant exercise price $ .12    
Aggregate fair value of warrants issued $ 967,000    
Options [Member]      
Non-cash charges related to vesting of stock options 789,000 5,237,000 0
Aggregate intrinsic value $ 85,800    
Aggregate intrinsic value per share $ .069    
Non-cash expense of warrants $ 789,000 $ 5,237,000 $ 0