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Stock Based Compensation Plans And Warrants - Schedule Of Weighted-Average Assumptions (Detail) (USD $)
12 Months Ended
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair Value $ 7.60
Dividend Yield 0.00%
Expected Volatility 66.10%
Weighted Average Volatility 66.10%
Risk Free Interest Rate 3.00%
Expected Life of Options from Grant 3 years 2 months 12 days