Note 1 - Significant Accounting Policies - Reconciliation of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income	$ 8,881	$ 10,190
Weighted Average Shares Outstanding (Basic) (in shares)	3,208,405	3,248,149
Net Income Per Common Share (Basic) (in dollars per share)	$ 2.77	$ 3.14