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Basic and Diluted Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Basic and Diluted Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  |  |  |  | Quarter ended September 30, |  |  | Nine months ended September 30,
(In thousands, except share and per share data) |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016
Basic and diluted: |  |  |  |  |  |  |  |  |  |  |  |
| Net earnings |  | $ | 2,136 |  | $ | 1,951 |  | $ | 6,021 |  | $ | 6,073
| Weighted average common shares outstanding |  |  | 3,643,659 |  |  | 3,643,506 |  |  | 3,643,598 |  |  | 3,643,498
|  | Net earnings per share |  | $ | 0.59 |  | $ | 0.54 |  | $ | 1.65 |  | $ | 1.67

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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