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Earnings Per Share
 6 Months Ended
Jun. 30, 2011
Earnings Per Share [Abstract]  
EARNINGS PER SHARE
(2) EARNINGS PER SHARE
The following tables reconcile the numerator and denominator used to calculate diluted earnings per share for the three and six months ended June 30, 2011 and 2010:
                 
    Three Months Ended June 30,  
    2011     2010  
Numerator:
               
Net income attributable to common shareholders
  $ 2,177,619     $ 287,304  
 
           
 
Denominator:
               
Weighted-average shares outstanding — basic
    20,471,621       20,445,560  
Dilutive effect of other securities
    190,098       762,085  
 
           
Weighted-average shares outstanding — diluted
    20,661,719       21,207,645  
 
           
                 
    Six Months Ended June 30,  
    2011     2010  
Numerator:
               
Net income attributable to common shareholders
  $ 2,898,779     $ 610,882  
 
           
 
Denominator:
               
Weighted-average shares outstanding — basic
    20,458,842       20,340,000  
Dilutive effect of other securities
    260,872       962,119  
 
           
Weighted-average shares outstanding — diluted
    20,719,714       21,302,119  
 
           
As of June 30, 2011 and 2010, restricted stock awards and options to purchase 1,149,374 and 657,532 shares of common stock, respectively, were outstanding but were not included in the computation of diluted EPS because the effect would be antidilutive.