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, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Details
Net income	$ 4,131	$ 4,206	$ 3,426	$ 3,024	$ 3,412	$ 2,933	$ 1,313	$ 3,140	$ 4,359	$ 3,705	$ 3,525	$ 3,139	$ 14,788	$ 10,798	$ 14,727
Weighted average shares, basic													3,647	3,658	3,721
Dilutive effect of stock options													13	14	18
Diluted shares													3,660	3,672	3,739
Earnings per share, basic													$ 4.05	$ 2.95	$ 3.96
Earnings Per Share Diluted	$ 1.13	$ 1.15	$ 0.94	$ 0.83	$ 0.94	$ 0.80	$ 0.36	$ 0.84	$ 1.17	$ 0.99	$ 0.94	$ 0.84	$ 4.04	$ 2.94	$ 3.94