Note 9 - Income Taxes - Summary of Changes in Deferred Tax (Details) - USD ($)	12 Months Ended
	May 31, 2025	May 31, 2024
Net operating loss carryforward	$ (1,051,595)	$ (1,033,000)
Depreciation and amortization, tax reporting in excess of financial	356,192	(11,073)
Interest expense carryforward	0	(172,126)
Valuation allowance	793,337	251,024
Other	122,002	25,496
Net change	$ (947,391)	$ (939,679)