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Note 9 - Basic and Diluted Earnings Per Common Share - Earnings Per Common Share - Summary of Basic and Diluted Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

9 Months Ended

Sep. 30, 2019

Sep. 30, 2018

Sep. 30, 2019

Sep. 30, 2018

Net income for the period

$ 4,205

$ 5,346

^[1],[2]

$ 9,620

$ 12,699

^[1],[2]

Basic weighted average number of common shares outstanding (in shares)

10,626,754

10,611,579

^[2]

10,639,544

10,599,243

^[2]

Effect of outstanding stock options (in shares)

119,080

182,718

158,555

196,425

Diluted weighted average number of shares outstanding (in shares)

10,745,834

10,794,297

^[2]

10,798,099

10,795,668

^[2]

Basic earnings per common share (in dollars per share)

$ 0.40

$ 0.50

^[2]

$ 0.90

$ 1.20

^[2]

Diluted earnings per common share (in dollars per share)

$ 0.39

$ 0.50

^[2]

$ 0.89

$ 1.18

^[2]

[1]	The Company has initially applied ASC 2016-02 (Topic 842) using the modified retrospective method. Under this method, the comparative information is not restated.
[2]	The Company has initially applied ASC 2016-02 (Topic 842) using the modified retrospective method. Under this method, the comparative information is not restated.

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- Definition

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

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