(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	6 Months Ended
Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025
Details
Net income	$ 2,686	$ 2,604	$ 3,048	$ 3,041	$ 5,290	$ 6,089
Weighted average shares, basic	3,184		3,246		3,184	3,278
Dilutive effect of stock options	0		0		0	0
Shares outstanding - diluted	3,184		3,246		3,184	3,278
Earnings per share, basic	$ 0.84		$ 0.94		$ 1.66	$ 1.86
Earnings per common share (diluted)	$ 0.84		$ 0.94		$ 1.66	$ 1.86

(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

6 Months Ended

Jun. 30, 2026

Mar. 31, 2026

Jun. 30, 2025

Mar. 31, 2025

Jun. 30, 2026

Jun. 30, 2025

Details

Net income

$ 2,686

$ 2,604

$ 3,048

$ 3,041

$ 5,290

$ 6,089

Weighted average shares, basic

3,184

3,246

3,184

3,278

Dilutive effect of stock options

Shares outstanding - diluted

3,184

3,246

3,184

3,278

Earnings per share, basic

$ 0.84

$ 0.94

$ 1.66

$ 1.86

Earnings per common share (diluted)

$ 0.84

$ 0.94

$ 1.66

$ 1.86

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

+ Details

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

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+ Details