BASIC AND DILUTED NET EARNINGS PER SHARE (Details Textual) - shares |
3 Months Ended | |
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Mar. 31, 2016 |
Mar. 31, 2015 |
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| Earnings Per Share Basic And Diluted [Line Items] | ||
| Options to purchase Class A common stock | 2,061,996 | 1,715,252 |
| Dilutive shares | 317,724 | 574,620 |
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- References No definition available.
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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