NOTE 13 - CONCENTRATIONS AND CREDIT RISK: Schedule of Revenue by Major Customers by Reporting Segments (Details)	3 Months Ended		9 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Details
Vendor A	38.40%	39.40%	38.80%	27.10%
Vendor B	0.00%	0.00%	10.50%	16.30%
Vendor C	12.20%	0.00%	0.00%	0.00%