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Net Income per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Computation of basic and diluted net income per common share: | The computation of basic and diluted net income per common share is as follows:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Net income | $ | 1,589,000 |  |  | $ | 2,341,000 |  |  | $ | 3,270,000 |  |  | $ | 4,976,000 |
Weighted average common shares outstanding — basic | 7,169,000 |  |  | 7,086,000 |  |  | 7,150,000 |  |  | 7,077,000 |
Effect of dilutive securities | 258,000 |  |  | 274,000 |  |  | 256,000 |  |  | 301,000 |
Weighted average common and potentially issuable common shares outstanding — diluted | 7,427,000 |  |  | 7,360,000 |  |  | 7,406,000 |  |  | 7,378,000 |
Basic net income per common share | $ | 0.22 |  |  | $ | 0.33 |  |  | $ | 0.46 |  |  | $ | 0.70 |
Diluted net income per common share | $ | 0.21 |  |  | $ | 0.32 |  |  | $ | 0.44 |  |  | $ | 0.67 |

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- Definition Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). + 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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