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Stock-Based Compensation (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Restricted stock [Member]
   
Stock Based Compensation (Textual) [Abstract]    
Stock-Based Compensation expense $ 16,000 $ 35,000
Recognized tax benefits 7,000 14,000
Stock Option [Member]
   
Stock Based Compensation (Textual) [Abstract]    
Stock-Based Compensation expense 0 22,000
Recognized tax benefits   $ 9,000