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Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

Mar. 31, 2019

Mar. 31, 2018

Earnings per share:

Net earnings

$ 2,183

$ 2,099

Weighted average common shares outstanding - basic

^[1]

4,372,116

4,313,203

Assumed exercise of stock options

^[1]

14,177

45,328

Weighted average common shares outstanding - diluted

^[1]

4,386,293

4,358,531

Net earnings per share: Basic

^[2]

$ 0.50

$ 0.49

Net earnings per share: Diluted

^[2]

$ 0.50

$ 0.48

[1]	Share and per share values for the period ended March 31, 2018 have been adjusted to give effect to the 5% stock dividend paid during December 2018.
[2]	Per share amounts for the period ended March 31, 2018 have been adjusted to give effect to the 5% stock dividend paid during December 2018.

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