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Earnings per Share | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | Note 8 - Earnings per Share Earnings per common share is computed by dividing net income by the weighted-average number of common shares outstanding. A reconciliation of the numerators and denominators of the basic and diluted earnings per common share computations for the three and nine months ended September 30, 2017 and 2016 are as follows:
|  | Three Months Ended |  |  | Nine Months Ended |
(Dollars in thousands, except per share data) |  | September 30, |  |  | September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income as reported |  | $ | 2,248 |  |  | $ | 2,328 |  |  | $ | 7,075 |  |  | $ | 6,813 |
Weighted average common shares outstanding |  |  | 2,864,007 |  |  |  | 2,860,157 |  |  |  | 2,863,806 |  |  |  | 2,858,019 |
Basic earnings per common share |  | $ | 0.78 |  |  | $ | 0.81 |  |  | $ | 2.47 |  |  | $ | 2.38 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  | - |  |  |  |  |
Net income as reported |  | $ | 2,248 |  |  | $ | 2,328 |  |  | $ | 7,075 |  |  | $ | 6,813 |
Weighted average common shares outstanding |  |  | 2,864,007 |  |  |  | 2,860,157 |  |  |  | 2,863,806 |  |  |  | 2,858,019 |
Add: Dilutive effect of assumed stock option exercises |  |  | 155 |  |  |  | 750 |  |  |  | 147 |  |  |  | 750 |
Weighted average common and dilutive |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
potential common shares outstanding |  |  | 2,864,162 |  |  |  | 2,860,907 |  |  |  | 2,863,953 |  |  |  | 2,858,769 |
Diluted earnings per common share |  | $ | 0.78 |  |  | $ | 0.81 |  |  | $ | 2.47 |  |  | $ | 2.38 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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