BASIC AND DILUTED NET EARNINGS PER SHARE (Details) - shares |
6 Months Ended | ||
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Jun. 30, 2015 |
Jun. 30, 2014 |
Dec. 31, 2014 |
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| BASIC AND DILUTED NET EARNINGS PER SHARE [Abstract] | |||
| Options to purchase Class A common stock | 1,634,034 | 1,913,958 | 1,816,204 |
| Dilutive shares | 400,366 | 777,904 | |
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- References No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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