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Quicksilver Stockholders' Equity (Assumptions For The Black-Scholes Option Pricing Model For Stock Options Issued) (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]    
Weighted avg grant date fair value $ 1.05 $ 4.21
Weighted avg risk-free interest rate 1.31% 1.14%
Expected life (in years) 4 years 11 months 9 days 6 years
Wtd avg volatility 68.97% 68.20%
Expected dividends 0.00% 0.00%