Note 9 - Income Taxes - Summary of Changes in Deferred Tax (Details) - USD ($)	12 Months Ended
	May 31, 2024	May 31, 2023
Income recognized for tax in excess of financial	$ 0	$ (1,497,136)
Net operating loss carryforward	(1,033,000)	207,885
Depreciation and amortization, tax reporting in excess of financial	(11,073)	(1,602,550)
Interest expense carryforward	(172,126)	172,126
Valuation allowance	251,024	556,773
Other	25,496	1,317
Net change	$ (939,679)	$ (2,161,585)