NOTE 9 - STOCK OPTIONS (Details)	9 Months Ended
	Jan. 31, 2020 $ / shares shares
Options outstanding and exercisable, shares | shares	7,145,000
Options outstanding and exercisable, price | $ / shares	$ .06
2011 Stock Option/Restricted Stock Plan
Options outstanding and exercisable, shares | shares	6,210,000
Options outstanding and exercisable, price | $ / shares	$ .06
Options outstanding and exercisable, remaining term	2 years 22 days
2011 Stock Option/Restricted Stock Plan | Stock Option 1
Options outstanding and exercisable, shares | shares	4,810,000
Options outstanding and exercisable, price | $ / shares	$ .06
Options outstanding and exercisable, remaining term	1 year 8 months 19 days
2011 Stock Option/Restricted Stock Plan | Stock Option 2
Options outstanding and exercisable, shares | shares	1,400,000
Options outstanding and exercisable, price | $ / shares	$ .065
Options outstanding and exercisable, remaining term	3 years 3 months