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Stock-Based Compensation (Narrative) (Details) (USD $)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Restricted Stock
Jun. 30, 2013
Restricted Stock
Jun. 30, 2014
Stock Option
Jun. 30, 2013
Stock Option
Jun. 30, 2014
Restricted Stock Units (RSUs)
Dec. 31, 2013
Restricted Stock Units (RSUs)
Shares reserved under stock-based compensation plans, available for future grants 4,147,660              
Granted 434,094 292,561            
Granted $ 4.80 $ 5.81            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 0 5,507            
Share-Based Compensation Arrangements By Share-Based Payment Award Options Grants In Period Weighted Average Exercise Price   $ 6.80            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00% 0.00%            
Share-based compensation     $ 600,000 $ 400,000 $ 20,000 $ 50,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options         40,000      
Unrecognized Share Based Compensation     $ 2,800,000       $ 0 $ 0