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NET INCOME PER SHARE (Details) | 3 Months Ended
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Mar. 31, 2013 | Mar. 31, 2012
Reconciliation from basic to diluted weighted average common shares outstanding |  |
Basic weighted-average common shares outstanding | 15,588,000 | 15,456,000
Stock options (in shares) | 107,000 | 98,000
Diluted weighted-average common shares outstanding | 15,695,000 | 15,554,000
Anti-dilutive securities excluded from computation of earnings per share |  |
Anti-dilutive stock options excluded from computation of earnings per share (in shares) | 240,000 | 324,000

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