5. Maintenance and Other Inventory: Schedule of Maintenance and Other Inventory (Details) - USD ($)	May 31, 2023	May 31, 2022
Details
Maintenance and other inventory, Gross	$ 2,236,106	$ 2,334,889
Maintenance and other inventory, allowance for obsolescence	1,232,966	1,227,580
Maintenance and other inventory, Net	$ 1,003,140	$ 1,107,309

Represents the monetary amount of Maintenance and other inventory, allowance for obsolescence, as of the indicated date.

No definition available.

Name:	fil_MaintenanceAndOtherInventoryAllowanceForObsolescence
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant