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Stock Awards (Details 1) (USD $)
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6 Months Ended |
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Jun. 30, 2012
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| Summary of the restricted stock activity | |
| Number of Shares, Early exercised | (5,192,303) |
| Number of Shares, Outstanding at June 30, 2012 | 1,032,304 |
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Restricted stock [Member]
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| Summary of the restricted stock activity | |
| Number of Shares, Outstanding at December 31, 2011 | 578,616 |
| Number of Shares, Early exercised | 263,970 |
| Number of Shares, Vested | (367,399) |
| Number of Shares, Repurchased | (2,084) |
| Number of Shares, Outstanding at June 30, 2012 | 473,103 |
| Weighted-Average Grant Date Fair Value, Outstanding at December 31, 2011 | 1.21 |
| Weighted-Average Grant Date Fair Value, Early exercised | 2.38 |
| Weighted-Average Grant Date Fair Value, Vested | 1.30 |
| Weighted-Average Grant Date Fair Value, Repurchased | 0.11 |
| Weighted-Average Grant Date Fair Value, Outstanding at June 30, 2012 | 1.80 |
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- Definition
Share based compensation arrangement by share based payment award equity instruments other than options early exercised in period weighted average grant date fair value. No definition available.
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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