Note 9 - Note Payable (Details Textual) - Insurance Policy Financing [Member]	1 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument, Face Amount	$ 264,048	$ 275,098
Debt Instrument, Number of Monthly Installment	10	10
Short-Term Debt, Percentage Bearing Fixed Interest Rate	6.60%	8.00%
Notes Payable			$ 187,374	$ 0