Quarterly report pursuant to Section 13 or 15(d)

1A. RESTATEMENT OF PREVIOUSLY REPORTED INFORMATION (Details - Statement of Cash Flows)

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1A. RESTATEMENT OF PREVIOUSLY REPORTED INFORMATION (Details - Statement of Cash Flows) - USD ($)
 3 Months Ended 6 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2015
Oct. 31, 2014
Operating activities        
Net loss $ (1,635,582) $ (4,063,673) $ (3,150,620) $ (5,648,497)
Stock issued for services     333,216 297,500
Stock issued for compensation     254,040 480,350
Stock based compensation - options     287,928 4,307,822
Stock based compensation - warrants     679,930 100,000
Gain on derivative liability 0   0  
Decrease in prepaid expenses and current assets     (80,500) 195,496
Increase in accounts payable     (69,491) 84,067
Decrease in accrued expenses     29,130 (37,012)
Increase in license agreement obligation     (400,000) 0
Net cash used in operating activities     (2,116,367) (2,403,606)
Investing activities        
Net cash from investing activities     0 0
Financing activities        
Proceeds from sale of common stock     1,728,935 86,000
Net cash provided by financing activities     1,728,935 (57,859)
Effect of currency rate exchange on cash     125 0
Net decrease in cash     (387,307) (2,461,465)
Cash at beginning of the period     2,699,737 3,616,470
Cash at end of the period 2,312,430 $ 1,155,005 2,312,430 $ 1,155,005
Scenario, Previously Reported [Member]        
Operating activities        
Net loss (1,099,263)   (1,645,425)  
Stock issued for services     0  
Stock issued for compensation     254,040  
Stock based compensation - options     287,928  
Stock based compensation - warrants     0  
Gain on derivative liability (29,746)   (492,049)  
Decrease in prepaid expenses and current assets     (80,500)  
Increase in accounts payable     (69,491)  
Decrease in accrued expenses     29,130  
Increase in license agreement obligation     (400,000)  
Net cash used in operating activities     (2,116,367)  
Investing activities        
Net cash from investing activities     0  
Financing activities        
Proceeds from sale of common stock     1,728,935  
Net cash provided by financing activities     1,728,935  
Effect of currency rate exchange on cash     125  
Net decrease in cash     (387,707)  
Cash at beginning of the period     2,699,737  
Cash at end of the period 2,312,430   2,312,430  
Scenario, Adjustment [Member]        
Operating activities        
Net loss (536,319)   (1,505,195)  
Stock issued for services     333,216  
Stock based compensation - warrants     679,930  
Gain on derivative liability $ 29,746   $ 492,049