Note 3 - Investment Securities (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity Securities, FV-NI	$ 371
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ (754)	$ (0)	$ (0)