Note 6 - Leases - Summary of Liability Maturity (Details) - USD ($)	May 31, 2024	May 31, 2023
Year ending May 31, 2025, operating lease	$ 610,291
Year ending May 31, 2025, finance lease	19,171
Year ending May 31, 2026, operating lease	609,000
Year ending May 31, 2026, finance lease	4,514
Year ending May 31, 2027, operating lease	609,000
Year ending May 31, 2027, finance lease	0
Year ending May 31, 2028, operating lease	631,300
Year ending May 31, 2028, finance lease	0
Year ending May 31, 2029, operating lease	635,760
Year ending May 31, 2029, finance lease	0
Thereafter, operating lease	4,763,090
Thereafter, finance lease	0
Total future minimum lease payments, operating lease	7,858,441
Total future minimum lease payments, finance lease	23,685
Less: Imputed interest, operating lease	(2,405,207)
Less: Imputed interest, finance lease	(542)
Liability under operating leases	5,453,234	$ 5,360,034
Present value discount, finance lease	$ 23,143