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Equity Transactions and Stock-Based Compensation Plans (Assumptions Used for Stock Options Granted) (Details) (Stock Options [Member], USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Stock Options [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility 66.00% 66.00%
Risk-free interest rates 1.70% 1.00%
Expected life in years 5 years 5 months 27 days 5 years 6 months 10 days
Options granted 221,440 220,656
Grant-date fair value $ 4.87 $ 4.36