Note 8 - Leases - Operating and Finance Lease (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
2025, operating lease	$ 28,228
2025, finance lease	44,447
2026, operating lease	0
2026, finance lease	44,447
2027, operating lease	0
2027, finance lease	44,447
2027 and beyond, operating lease	0
2027 and beyond, finance lease	44,252
Total minimum lease obligations, operating lease	28,228
Total minimum, finance lease	177,593
Less: amounts representing interest, operating lease	(554)
Less: amounts representing interest, finance lease	(27,461)
Present value of minimum lease payments, operating lease	27,674
Present value of minimum lease payments, finance lease	150,132
Less: current portion, operating lease	(27,674)	$ (25,352)
Less: current portion, finance lease	(32,950)	(1,604)
Lease obligations, net of current portion, operating lease	0	27,674
Lease obligations, net of current portion, finance lease	$ 117,182	$ 7,770