Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
6. STOCK OPTIONS AND WARRANTS (Details - Options by exercise price) - $ / shares
3 Months Ended
Jul. 31, 2020
Apr. 30, 2020
Options [Member]    
Number of Options 68,700,000 67,200,000
Weighted Average Remaining Contractual LIfe (years) 1 year 5 months 20 days  
Weighted Average Exercisable Price $ 0.06 $ 0.06
Numer of Options Exercisable 64,950,000  
$0.063 [Member]    
Number of Options 15,600,000  
Weighted Average Remaining Contractual LIfe (years) 2 months 30 days  
Weighted Average Exercisable Price $ 0.063  
Numer of Options Exercisable 15,600,000  
$0.104 [Member]    
Number of Options 10,450,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 11 days  
Weighted Average Exercisable Price $ 0.104  
Numer of Options Exercisable 10,450,000  
$0.0685 [Member]    
Number of Options 600,000  
Weighted Average Remaining Contractual LIfe (years) 9 months  
Weighted Average Exercisable Price $ 0.0685  
Numer of Options Exercisable 600,000  
$0.058 [Member]    
Number of Options 2,450,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 5 months 5 days  
Weighted Average Exercisable Price $ 0.058  
Numer of Options Exercisable 2,450,000  
$0.0734 [Member]    
Number of Options 1,200,000  
Weighted Average Remaining Contractual LIfe (years) 11 months 15 days  
Weighted Average Exercisable Price $ 0.0734  
Numer of Options Exercisable 1,200,000  
$0.0729 [Member]    
Number of Options 1,800,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 11 months 8 days  
Weighted Average Exercisable Price $ 0.0729  
Numer of Options Exercisable 1,800,000  
$0.089 [Member]    
Number of Options 1,200,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 11 months 15 days  
Weighted Average Exercisable Price $ 0.089  
Numer of Options Exercisable 1,200,000  
$0.0553 [Member]    
Number of Options 500,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 1 month 6 days  
Weighted Average Exercisable Price $ 0.0553  
Numer of Options Exercisable 500,000  
$0.0558 [Member]    
Number of Options 9,000,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 5 months 12 days  
Weighted Average Exercisable Price $ 0.0558  
Numer of Options Exercisable 9,000,000  
$0.0534 [Member]    
Number of Options 1,200,000  
Weighted Average Remaining Contractual LIfe (years) 3 years 1 month 6 days  
Weighted Average Exercisable Price $ 0.0534  
Numer of Options Exercisable 1,200,000  
$0.0539 [Member]    
Number of Options 1,000,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 4 months 17 days  
Weighted Average Exercisable Price $ 0.0539  
Numer of Options Exercisable 1,000,000  
$0.0683 [Member]    
Number of Options 500,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 5 months 16 days  
Weighted Average Exercisable Price $ 0.0683  
Numer of Options Exercisable 500,000  
$0.0649 [Member]    
Number of Options 500,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 7 months 6 days  
Weighted Average Exercisable Price $ 0.0649  
Numer of Options Exercisable 500,000  
$0.0495 [Member]    
Number of Options 9,000,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 10 months 17 days  
Weighted Average Exercisable Price $ 0.0495  
Numer of Options Exercisable 9,000,000  
$0.038 [Member]    
Number of Options 1,200,000  
Weighted Average Remaining Contractual LIfe (years) 4 years 1 month 24 days  
Weighted Average Exercisable Price $ 0.038  
Numer of Options Exercisable 1,200,000  
$0.0404 [Member]    
Number of Options 1,000,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 10 months 17 days  
Weighted Average Exercisable Price $ 0.0404  
Numer of Options Exercisable 1,000,000  
$0.037 [Member]    
Number of Options 500,000  
Weighted Average Remaining Contractual LIfe (years) 1 year 11 months 15 days  
Weighted Average Exercisable Price $ 0.037  
Numer of Options Exercisable 500,000  
$0.034 [Member]    
Number of Options 500,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 1 month 6 days  
Weighted Average Exercisable Price $ 0.034  
Numer of Options Exercisable 500,000  
$0.0408 [Member]    
Number of Options 9,000,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 7 months 28 days  
Weighted Average Exercisable Price $ 0.0408  
Numer of Options Exercisable 5,250,000  
$0.0240 [Member]    
Number of Options 1,000,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 4 months 17 days  
Weighted Average Exercisable Price $ 0.0240  
Numer of Options Exercisable 1,000,000  
$0.0247 [Member]    
Number of Options 500,000  
Weighted Average Remaining Contractual LIfe (years) 2 years 5 months 16 days  
Weighted Average Exercisable Price $ 0.0247  
Numer of Options Exercisable 500,000