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Stock-Based Compensation (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options granted exercisable for varying periods, number of years 10 years  
Reverse stock split ratio 0.10  
Common stock available for grant 532,610  
Authorized to issue common stock in relation to stock options or restricted shares outstanding or available for grant 1,133,637  
Stock options outstanding 601,027  
Stock options outstanding, weighted average exercise price $ 18.80  
Stock options granted     
Total intrinsic value of options exercised $ 0 $ 36,000
Proceeds from option exercises 0 63,000
Remaining weighted average contractual term for options exercisable 4 years 10 months 28 days  
Non-cash compensation cost related to stock and stock options and restricted stock recognized 384,000 312,000
Weighted average grant date fair value of common stock and restricted stock units granted $ 4.00  
Restricted Stock [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted average grant date fair value of common stock and restricted stock units granted $ 4.00 $ 9.60
Total grant date fair value 350,000 350,000
Total fair value of restricted stock units vested $ 350,000 $ 350,000