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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation(in thousands, except per share data).
| Three months ended |  | Six months ended
| June 30, |  | June 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Numerator: |  |  |  |  |  |  |
Net income | $ | 3,844 |  |  | $ | 3,000 |  |  | $ | 7,838 |  |  | $ | 6,508 |
Denominator for basic net income per common share: |  |  |  |  |  |  |
Weighted average common shares outstanding | 12,316 |  |  | 12,216 |  |  | 12,299 |  |  | 12,177 |
Denominator for diluted net income per share: |  |  |  |  |  |  |
Weighted average common shares outstanding | 12,316 |  |  | 12,216 |  |  | 12,299 |  |  | 12,177 |
Dilutive effect of stock options and restricted stock | 202 |  |  | 100 |  |  | 148 |  |  | 97 |
Diluted weighted average shares | 12,518 |  |  | 12,316 |  |  | 12,447 |  |  | 12,274 |
Earnings per common share: |  |  |  |  |  |  |
Basic | $ | 0.31 |  |  | $ | 0.25 |  |  | $ | 0.64 |  |  | $ | 0.53 |
Diluted | $ | 0.31 |  |  | $ | 0.24 |  |  | $ | 0.63 |  |  | $ | 0.53 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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