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Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 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 June 30, |  | Six months ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
|  | (In thousands, except per share data)
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 1,389 |  |  | $ | 1,362 |  |  | $ | 2,737 |  |  | $ | 95 |
Preferred stock dividends |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (15 | )
Net income available to common shareholders |  | $ | 1,389 |  |  | $ | 1,362 |  |  | $ | 2,737 |  |  | $ | 80 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding (basic) |  |  | 18,580 |  |  |  | 18,897 |  |  |  | 18,696 |  |  |  | 18,890 |
Effect of stock options |  |  | 119 |  |  |  | 51 |  |  |  | 112 |  |  |  | 53 |
Weighted average common shares outstanding (diluted) |  |  | 18,699 |  |  |  | 18,948 |  |  |  | 18,808 |  |  |  | 18,943 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.07 |  |  | $ | 0.07 |  |  | $ | 0.15 |  |  | $ | 0.00 |
Diluted |  |  | 0.07 |  |  |  | 0.07 |  |  |  | 0.15 |  |  |  | 0.00 |

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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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