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Stock-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Dec. 31, 2013
Vesting period of share-based compensation award   4 years  
Expiration period of share-based payment award   10 years  
Unrecognized compensation cost related to unvested options $ 4.4 $ 4.4  
Weighted-average remaining period for recognition of compensation costs related to unvested options 1 year 11 months 23 days    
Weighted average exercise price of options outstanding $ 11.45 $ 11.45  
Closing stock price 3.95 $ 3.95 $ 12.50
Options granted in stock option grant   547,181  
Exercise price of options granted $ 8.72 $ 8.72  
Board Members and Executives [Member]      
Options granted in stock option grant 547,181    
Chief Executive Officer [Member]      
Options granted in stock option grant 399,716    
Exercise price of options granted $ 9.45