(7) Earnings Per Share: Reconciliation of the numerator and the denomintator used to calculate basic and diluted earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Details
Net income	$ 2,631	$ 3,563	$ 8,720	$ 10,972
Weighted average shares, basic	3,207	3,478	3,254	3,542
Dilutive effect of stock options	0	0	0	0
Shares outstanding - diluted	3,207	3,478	3,254	3,542
Earnings per share, basic	$ 0.82	$ 1.02	$ 2.68	$ 3.1
Earnings per common share (diluted)	$ 0.82	$ 1.02	$ 2.68	$ 3.1