NOTE 6 - PROPERTY AND EQUIPMENT (Details) - USD ($)	3 Months Ended	6 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Details
Total Depreciation Expense	$ 336,757	$ 322,121	$ 705,193	$ 626,560
Depreciation in Cost of Revenue	$ 285,439	$ 298,290	$ 599,172	$ 581,013

Represents the monetary amount of Depreciation in Cost of Revenue, during the indicated time period.

No definition available.

Name:	fil_DepreciationCostOfRevenue
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration