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NET INCOME PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2013
NET INCOME PER SHARE |
Schedule of reconciliation from basic to diluted weighted average common shares outstanding | The reconciliation from basic to diluted weighted average common shares outstanding is as follows (in thousands):
|  | Three Months Ended March 31, |
|  | 2012 |  | 2013 |
Basic weighted-average common shares outstanding |  | 15,456 |  | 15,588 |
Stock options |  | 98 |  | 107 |
Diluted weighted-average common shares outstanding |  | 15,554 |  | 15,695 |

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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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