Quarterly report pursuant to Section 13 or 15(d)

5. STOCK OPTIONS AND WARRANTS (Details - Options by exercise price)

v3.19.2
5. STOCK OPTIONS AND WARRANTS (Details - Options by exercise price) - $ / shares
3 Months Ended
Jul. 31, 2019
Apr. 30, 2019
Options [Member]    
Number of Options Outstanding 108,950,000 107,450,000
Weighted Average Remaining Contractual LIfe (years) 1 year 18 days  
Weighted Average Exercisable Price $ 0.11 $ 0.11
Numer of Options Exercisable 105,200,000  
$0.190 [Member]    
Number of Options Outstanding 25,000,000  
Weighted Average Remaining Contractual LIfe (years) 29 days  
Weighted Average Exercisable Price $ 0.190  
Numer of Options Exercisable 25,000,000  
$0.110 [Member]    
Number of Options Outstanding 27,200,000  
Weighted Average Remaining Contractual LIfe (years) 2 months 19 days  
Weighted Average Exercisable Price $ 0.110  
Numer of Options Exercisable 27,200,000  
$0.184 [Member]    
Number of Options Outstanding 250,000  
Weighted Average Remaining Contractual LIfe (years) 4 months 9 days  
Weighted Average Exercisable Price $ 0.184  
Numer of Options Exercisable 250,000  
$0.063 [Member]    
Number of Options Outstanding 15,600,000  
Weighted Average Remaining Contractual LIfe (years) 10 months 6 days  
Weighted Average Exercisable Price $ 0.063  
Numer of Options Exercisable 15,600,000  
$0.104 [Member]    
Number of Options Outstanding 10,450,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 8 months 5 days  
Weighted Average Exercisable Price $ 0.104  
Numer of Options Exercisable 10,450,000  
$0.0685 [Member]    
Number of Options Outstanding 600,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 9 months  
Weighted Average Exercisable Price $ 0.0685  
Numer of Options Exercisable 600,000  
$0.058 [Member]    
Number of Options Outstanding 2,450,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 2 months 5 days  
Weighted Average Exercisable Price $ 0.058  
Numer of Options Exercisable 2,450,000  
$0.0734 [Member]    
Number of Options Outstanding 1,200,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 9 months  
Weighted Average Exercisable Price $ 0.0734  
Numer of Options Exercisable 1,200,000  
$0.0729 [Member]    
Number of Options Outstanding 1,800,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 11 months 12 days  
Weighted Average Exercisable Price $ 0.0729  
Numer of Options Exercisable 1,800,000  
$0.089 [Member]    
Number of Options Outstanding 1,200,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 11 months 19 days  
Weighted Average Exercisable Price $ 0.089  
Numer of Options Exercisable 1,200,000  
$0.0553 [Member]    
Number of Options Outstanding 500,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 7 months 6 days  
Weighted Average Exercisable Price $ 0.0553  
Numer of Options Exercisable 500,000  
$0.0558 [Member]    
Number of Options Outstanding 9,000,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 18 days  
Weighted Average Exercisable Price $ 0.0558  
Numer of Options Exercisable 9,000,000  
$0.0534 [Member]    
Number of Options Outstanding 1,200,000  
Weighted Average Remaining Contractual LIfe (years) 4 years 1 month 6 days  
Weighted Average Exercisable Price $ 0.0534  
Numer of Options Exercisable 1,000,000  
$0.0539 [Member]    
Number of Options Outstanding 1,000,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 10 months 17 days  
Weighted Average Exercisable Price $ 0.0539  
Numer of Options Exercisable 1,000,000  
$0.0683 [Member]    
Number of Options Outstanding 500,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 11 months 15 days  
Weighted Average Exercisable Price $ 0.0683  
Numer of Options Exercisable 500,000  
$0.0649 [Member]    
Number of Options Outstanding 500,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 1 month 6 days  
Weighted Average Exercisable Price $ 0.0649  
Numer of Options Exercisable 500,000  
$0.0404 [Member]    
Number of Options Outstanding 1,000,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 4 months 17 days  
Weighted Average Exercisable Price $ 0.0404  
Numer of Options Exercisable 1,000,000  
$0.0370 [Member]    
Number of Options Outstanding 500,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 5 months 16 days  
Weighted Average Exercisable Price $ 0.0370  
Numer of Options Exercisable 500,000  
$0.0495 [Member]    
Number of Options Outstanding 9,000,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 9 months 11 days  
Weighted Average Exercisable Price $ 0.0495  
Numer of Options Exercisable 5,250,000