Quarterly report pursuant to Section 13 or 15(d)

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

v3.6.0.2
6. STOCK OPTIONS AND WARRANTS (Details - Warrants by exercise price)
9 Months Ended
Jan. 31, 2017
$ / shares
shares
$0.075, $0.11, $0.12, $0.18 and $0.25 [Member]  
Number of Warrants exercisable 66,983,939
Weighted average remaining contractual term 2 years 22 days
Weighted average exercise price exercisable | $ / shares $ .13
Five Year Term $0.075 [Member]  
Number of Warrants exercisable 1,056,000
Weighted average remaining contractual term 8 months 9 days
Five Year Term $0.12 [Member]  
Number of Warrants exercisable 35,347,508
Weighted average remaining contractual term 2 years 4 months 28 days
Five Year Term $0.18 [Member]  
Number of Warrants exercisable 19,811,200
Weighted average remaining contractual term 10 months 28 days
Five Year Term $0.065 [Member]  
Number of Warrants exercisable 768,231
Weighted average remaining contractual term 4 years 10 months 21 days
Five Year Term $0.11 [Member]  
Number of Warrants exercisable 10,000,000
Weighted average remaining contractual term 3 years 1 month 21 days