Note 7 - Leases - Summary of Liability Maturity (Details) - USD ($)	Nov. 30, 2023	May 31, 2023
Financing leases twelve months ended November 30, 2024	$ 29,686
Operating leases twelve months ended November 30, 2024	543,037
Financing leases twelve months ended November 30, 2025	10,463
Operating leases twelve months ended November 30, 2025	534,000
Financing leases twelve months ended November 30, 2026	1,505
Operating leases twelve months ended November 30, 2026	534,000
Financing leases twelve months ended November 30, 2027	0
Operating leases twelve months ended November 30, 2027	542,920
Financing leases twelve months ended November 30, 2028	0
Operating leases twelve months ended November 30, 2028	560,760
Thereafter, Finance Lease	0
Thereafter, Operating leases	4,999,720
Total future minimum lease payments, Finance Lease	41,654
Total future minimum lease payments, Operating leases	7,714,437
Present value discount, Finance Lease	1,219
Present value discount, Operating leases	2,474,340
Present value of minimum lease payments, Finance Lease	40,435	$ 60,485
Present value of minimum lease payments, Operating leases	$ 5,240,097