Note 9 - Note Payable (Details Textual) - Insurance Policy Financing [Member]	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	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	$ 265,501		$ 0

Face (par) amount of debt instrument at time of issuance.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant