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Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (In thousands, except per share data) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 1,792 |  |  | $ | 1,744 |  |  | $ | 3,670 |  |  | $ | 3,511 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding (basic) |  |  | 17,476 |  |  |  | 18,038 |  |  |  | 17,527 |  |  |  | 18,058 |
Effect of stock options |  |  | 84 |  |  |  | 102 |  |  |  | 84 |  |  |  | 100 |
Weighted average common shares outstanding (diluted) |  |  | 17,560 |  |  |  | 18,140 |  |  |  | 17,611 |  |  |  | 18,158 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.10 |  |  | $ | 0.10 |  |  | $ | 0.21 |  |  | $ | 0.19 |
Diluted |  |  | 0.10 |  |  |  | 0.10 |  |  |  | 0.21 |  |  |  | 0.19 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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