Stock Based Compensation (Details 1) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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Stock-Based compensation expense | ||||
Stock-based compensation expense | $ 744 | $ 202 | $ 1,143 | $ 452 |
Research and development [Member]
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Stock-Based compensation expense | ||||
Stock-based compensation expense | 370 | 88 | 611 | 188 |
General and administrative [Member]
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Stock-Based compensation expense | ||||
Stock-based compensation expense | $ 374 | $ 114 | $ 532 | $ 264 |
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- Details
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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