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Stock-Based Compensation (Fair Value Assumptions) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Weighted average grant date fair value $ 1.26 $ 1.01
Expected volatility 75.80% 77.70%
Expected lives (years) 6 years 2 months 12 days 6 years 2 months 12 days
Risk free interest rate 1.70% 1.00%
Forfeiture rate 20.50% 20.50%
Dividend rate 0.00% 0.00%