Note 16 - Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Details
Net income	$ 2,902	$ 3,563	$ 3,453	$ 3,956	$ 4,287	$ 3,935	$ 4,200	$ 4,214	$ 4,555	$ 4,280	$ 4,103	$ 3,534	$ 13,874	$ 16,635	$ 16,473
Weighted average shares, basic													3,503	3,629	3,637
Dilutive effect of stock options													0	8	6
Diluted shares													3,503	3,637	3,643
Earnings per common share (basic) (note 1)													$ 3.96	$ 4.58	$ 4.53
Earnings per common share (diluted)	$ 0.86	$ 1.03	$ 0.98	$ 1.09	$ 1.18	$ 1.08	$ 1.15	$ 1.16	$ 1.25	$ 1.18	$ 1.12	$ 0.96	$ 3.96	$ 4.57	$ 4.52