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Earnings per Share (Tables)
 3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted EPS for the three months ended March 31:

 

    Three Months Ended March 31,  
    2013     2012  
Numerator:                
Net income   $ 5,933,000     $ 3,990,000  
                 
Denominator:                
Weighted average shares of common stock outstanding     13,809,130       13,676,922  
Effect of dilutive common stock equivalents     104,213       150,899  
                 
Weighted average diluted common shares outstanding     13,913,343       13,827,821  
                 
EPS:                
Basic   $ 0.43     $ 0.29  
Diluted   $ 0.43     $ 0.29