Note 7 - Leases - Schedule of Financing Lease (Details) - USD ($)	Aug. 31, 2025	May 31, 2025
Non-cancelable financing leases	$ 2,982
Production equipment under financing leases	24,431	$ 24,431
Less: Current portion	(2,982)	(4,457)
Less: Accumulated amortization	(18,730)	(17,509)
Production equipment under financing leases, net	5,701	6,922
Non-cancellable Leases [Member]
Non-cancelable financing leases	2,982	4,457
Less: Current portion	(2,982)	(4,457)
Non-cancelable financing leases, net of current portion	$ 0	$ 0