Note 13 - Related Parties (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction, Amounts of Transaction	$ 153,546	$ 244,298
Share-Based Payment Arrangement, Expense	5,969	84,034
Related Party [Member] | Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense	0	1,442
Reimbursement of Selling, General and Administrative Expenses Paid on Behalf of the Company [Member]
Related Party Transaction, Amounts of Transaction	63,546	94,356
Consulting Fees [Member]
Related Party Transaction, Amounts of Transaction	$ 90,000	$ 148,500