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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Stock-Based Compensation [Abstract]  
Summary Of Option Activity
    Number of
Shares
    Weighted
Average Exercise
Price per Share
    Weighted Average
Remaining
Contractual
Term
(in years)
    Aggregate
Intrinsic Value
 
Options outstanding at December 31, 2011     535,333     $ 9.58       4.1     $ 250,416  
  Granted     24,000       6.22       3.8        
  Exercised     (45,000 )     1.94             187,220  
  Forfeited or expired     (51,000 )     10.43              
                                 
Options outstanding at June 30, 2012     463,333     $ 10.04       4.0     $ 25,383  
                                 
Options exercisable at June 30, 2012     287,333     $ 10.44       2.4     $ 25,383