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Stock-Based Compensation (Stock Options Activity) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Stock-Based Compensation [Abstract]      
Option Shares, Outstanding 1,164,848 1,175,961  
Option Shares, Granted 0 0  
Option Shares, Exercised (240,000) (11,113)  
Cancelled or forfeited (5,000) 0  
Option Shares, Outstanding 919,848 1,164,848  
Weighted Average Exercise Price, Beginning Balance $ 2.54 $ 2.53  
Weighted Average Exercise Price, granted $ 0.00 $ 0.00  
Weighted Average Exercise Price, exercised $ 1.00 $ 0.91  
Weighted Average Exercise Price, cancelled or forfeited $ 2.30 $ 0.00  
Weighted Average Exercise Price, Ending Balance $ 2.94 $ 2.54  
Options Exercisable 895,348 1,128,848 1,125,961
Weighted-Average Exercise Price $ 2.96 $ 2.54 $ 2.51