Note 11 - Related Parties (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Related Party Transaction, Amounts of Transaction	$ 44,196	$ 61,811
Consulting Fees [Member]
Related Party Transaction, Amounts of Transaction	30,000	45,000
Selling, General and Administrative Expenses [Member]
Related Party Transaction, Amounts of Transaction	14,196	15,369
Share-based Compensation [Member]
Related Party Transaction, Amounts of Transaction	$ 0	$ 1,442