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Note 12 - Subsequent Events (Details Textual) - USD ($)		1 Months Ended	6 Months Ended
	Jul. 08, 2025	Aug. 08, 2025	Jun. 30, 2025	Jun. 30, 2024
Proceeds from Issuance of Common Stock			$ 1,907,000	$ 3,315,000
Subsequent Event [Member] | ATM Offering [Member]
Proposed Maximum Offering, Amount	$ 3,600,000
Stock Issued During Period, Shares, New Issues		296,422
Shares Issued, Price Per Share		$ 2.59
Proceeds from Issuance of Common Stock		$ 769,000

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