Note 7 - Leases - Summary of Liability Maturity (Details) - USD ($)	Aug. 31, 2024	May 31, 2024
2025, financing leases	$ 14,818
2025, operating leases	609,000
2026, financing leases	3,009
2026, operating leases	609,000
2027, financing leases	0
2027, operating leases	611,230
2028, financing leases	0
2028, operating leases	635,760
2029, financing leases	0
2029, operating leases	635,760
Thereafter, Finance Lease	0
Thereafter, Operating leases	4,604,150
Total future minimum lease payments, Finance Lease	17,827
Total future minimum lease payments, Operating leases	7,704,900
Present value discount, Finance Lease	372
Present value discount, Operating leases	2,321,196
Present value of minimum lease payments, Finance Lease	17,455
Liability under operating leases	$ 5,383,704	$ 5,453,234