Note 7 - Leases - Schedule of Financing Lease (Details) - USD ($)	Aug. 31, 2023	May 31, 2023
Non-cancellable financing leases	$ 50,518	$ 60,485
Production equipment under financing leases	176,565	176,565
Less: Current portion	27,689	31,981
Less: Accumulated amortization	(103,146)	(95,447)
Non-cancellable financing leases, net of current portion	22,829	28,504
Production equipment under financing leases, net	$ 73,419	$ 81,118