Annual report pursuant to section 13 and 15(d)

Stock Compensation Plans (Black-Scholes Option Pricing Date Weighted-Average Assumptions) (Detail)

v2.4.0.6
Stock Compensation Plans (Black-Scholes Option Pricing Date Weighted-Average Assumptions) (Detail)
12 Months Ended
Dec. 31, 2011
Dividend yield 0.00%
Expected volatility 62.16%
Risk-free interest rate 2.06%
Expected life (in years) 10 years