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Stock-based Compensation (Details 2) (Black-scholes option-pricing model [Member], USD $)
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6 Months Ended |
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Jun. 30, 2012
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January 6, 2012 [Member]
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| Summary of the Option Grants and assumptions Used In the Black-Scholes option-Pricing Model to Value the options |
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| Grant Date |
Jan.
06,
2012 |
| Options Granted |
238,000 |
| Weighted-Average Fair Value |
$ 5.96 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.40% |
| Expected Volatility |
53.00% |
| Expected Dividend Yield |
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April 15, 2012 [Member]
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| Summary of the Option Grants and assumptions Used In the Black-Scholes option-Pricing Model to Value the options |
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| Grant Date |
Apr. 15,
2012 |
| Options Granted |
548,725 |
| Weighted-Average Fair Value |
$ 7.10 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.61% |
| Expected Volatility |
61.00% |
| Expected Dividend Yield |
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May 24, 2012 [Member]
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| Summary of the Option Grants and assumptions Used In the Black-Scholes option-Pricing Model to Value the options |
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| Grant Date |
May 24,
2012 |
| Options Granted |
86,500 |
| Weighted-Average Fair Value |
$ 11.14 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.20% |
| Expected Volatility |
61.00% |
| Expected Dividend Yield |
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