Note 10 - Subsequent Events (Details Textual) - Subsequent Event [Member]	Jul. 22, 2026 USD ($) $ / shares shares
Purchase Agreement Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares	220,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares	$ 1.45
Purchase Agreement Note [Member]
Debt Instrument, Face Amount	$ 2,000,000
Debt Instrument, Interest Rate, Stated Percentage	10.00%
Fifth Third Bank, N.A. [Member]
Debt Instrument, Periodic Payment	$ 125,000
Fifth Third Bank, N.A. [Member] \| Delayed Draw Term Loan (DDTL) [Member]
Debt Instrument, Periodic Payment	$ 75,000

Exercise price per share or per unit of warrants or rights outstanding.

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