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STOCK BASED COMPENSATION (Details 1) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Stock-based compensation |  |  |  |
Stock-based compensation costs before income taxes | $ 183 | $ 74 | $ 370 | $ 146
General and administrative |  |  |  |
Stock-based compensation |  |  |  |
Stock-based compensation costs before income taxes | 126 | 60 | 255 | 117
Research and development |  |  |  |
Stock-based compensation |  |  |  |
Stock-based compensation costs before income taxes | $ 57 | $ 14 | $ 115 | $ 29

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