Note 6 - Leases - Schedule of Financing Lease (Details) - USD ($)	May 31, 2025	May 31, 2024
Non-cancellable financing leases	$ 4,457
Production equipment under financing leases	24,431	$ 176,565
Less: Current portion	(4,457)	(19,171)
Less: Accumulated amortization	(17,509)	(119,759)
Non-cancellable financing leases, net of current portion	0	3,972
Production equipment under financing leases, net	6,922	56,806
Non-cancellable Leases [Member]
Non-cancellable financing leases	4,457	23,143
Less: Current portion	(4,457)	(19,171)
Non-cancellable financing leases, net of current portion	$ 0	$ 3,972