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Net Income per Common Share (Tables) | 9 Months Ended
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Sep. 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 |  | Nine Months Ended
| September 30, |  | September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Net income | $ | 1,960,000 |  |  | $ | 1,151,000 |  |  | $ | 5,230,000 |  |  | $ | 6,127,000 |
Weighted average common shares outstanding — basic | 7,257,000 |  |  | 7,127,000 |  |  | 7,186,000 |  |  | 7,094,000 |
Effect of dilutive securities | 161,000 |  |  | 256,000 |  |  | 225,000 |  |  | 287,000 |
Weighted average common and potentially issuable common shares outstanding — diluted | 7,418,000 |  |  | 7,383,000 |  |  | 7,411,000 |  |  | 7,381,000 |
Basic net income per common share | $ | 0.27 |  |  | $ | 0.16 |  |  | $ | 0.73 |  |  | $ | 0.86 |
Diluted net income per common share | $ | 0.26 |  |  | $ | 0.16 |  |  | $ | 0.71 |  |  | $ | 0.83 |

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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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