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Stock-Based Compensation (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock available for grant 560,997    
Shares authorized for issuance 1,133,637    
Stock options outstanding 572,640 640,454 361,570
Stock options outstanding, weighted average exercise price $ 19.08 $ 18.70 $ 6.70
Stock options granted 0 0 5,000
Non-cash compensation expense $ 475,000 $ 508,000 $ 562,000
Total intrinsic value of options exercised 0 36,000 76,000
Proceeds from option exercises 0 63,000 35,000
Intrinsic value of fully vested options 0    
Remaining weighted average contractual term for options exercisable 4 years 2 months 12 days    
Weighted average grant date fair value of common stock and restricted stock units granted $ 4.00 $ 9.60 $ 21.80
Total grant date fair value 350,000 350,000 429,000
Total fair value of restricted stock units vested $ 350,000 $ 378,000 $ 499,000
Maximum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted exercisable for varying periods, number of years 10 years