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Net Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Net Income Per Share |
Schedule of the weighted average number of shares used to compute basic and diluted net income per share |
|  | Years Ended December 31 |
|  | 2012 |  | 2011 |  | 2010 |
Basic weighted average common shares outstanding during the year |  | 6,679,412 |  | 6,475,540 |  | 6,157,310 |
Weighted average common equivalent shares due to stock options and restricted stock units |  | 349,057 |  | 523,760 |  | 591,752 |
Diluted weighted average common shares outstanding during the year |  | 7,028,469 |  | 6,999,300 |  | 6,749,062 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and 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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