Note 7 - Leases - Summary of Liability Maturity (Details) - USD ($)	Nov. 30, 2024	May 31, 2024
2025, financing leases	$ 9,829
2025, operating leases	609,000
2026, financing leases	1,501
2026, operating leases	609,000
2027, financing leases	0
2027, operating leases	617,920
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	4,445,211
Total future minimum lease payments, Finance Lease	11,330
Total future minimum lease payments, Operating leases	7,552,651
Present value discount, Finance Lease	198
Present value discount, Operating leases	2,239,599
Present value of minimum lease payments, Finance Lease	11,132
Liability under operating leases	$ 5,313,052	$ 5,453,234