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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Common Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | Dividends on preferred shares are deducted from net income in the calculation of earnings per common share.
|  | Three months ended September 30, |  | Nine months ended September 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
|  | (In thousands, except per share data)
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 1,551 |  |  | $ | 1,065 |  |  | $ | 4,288 |  |  | $ | 1,160 |
Preferred stock dividends |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (15 | )
Net income available to common shareholders |  | $ | 1,551 |  |  | $ | 1,065 |  |  | $ | 4,288 |  |  | $ | 1,145 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding (basic) |  |  | 18,380 |  |  |  | 18,899 |  |  |  | 18,590 |  |  |  | 18,893 |
Effect of stock options |  |  | 101 |  |  |  | 58 |  |  |  | 99 |  |  |  | 54 |
Weighted average common shares outstanding (diluted) |  |  | 18,481 |  |  |  | 18,957 |  |  |  | 18,689 |  |  |  | 18,947 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.08 |  |  | $ | 0.06 |  |  | $ | 0.23 |  |  | $ | 0.06 |
Diluted |  |  | 0.08 |  |  |  | 0.06 |  |  |  | 0.23 |  |  |  | 0.06 |

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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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