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Note 12 - Subsequent Events (Details Textual) - USD ($)			1 Months Ended	3 Months Ended
	Apr. 22, 2025	Apr. 04, 2025	May 13, 2025	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 3.1		$ 3.1
Proceeds from Issuance of Common Stock				$ 212,000	$ 1,466,000
Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues	406,818
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	406,818
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.905
Subsequent Event [Member] | April 2025 Financing [Member]
Proceeds from Issuance or Sale of Equity	$ 775,000
Subsequent Event [Member] | ATM Offering [Member]
Stock Issued During Period, Shares, New Issues			88,888
Proceeds from Issuance of Common Stock			$ 234,000
Proposed Maximum Offering, Amount		$ 1,800,000

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