|
Stock-Based Compensation (Details 3) (USD $)
|
6 Months Ended |
|---|---|
|
Jun. 30, 2012
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| Weighted average assumptions used to calculate the fair value | |
| Weighted average grant date fair value | $ 10.30 |
| Expected volatility | 60.23% |
| Risk free rate | 0.73% |
| Expected lives | 4 years 9 months |
| Expected dividend yield | 0.00% |