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Selected Quarterly Financial Data (Tables)
12 Months Ended
Dec. 31, 2012
Selected Quarterly Financial Data Tables  
Selected quarterly unaudited financial data

Summarized unaudited quarterly financial data for each of the calendar years 2012 and 2011 is as follows:

 

   Comparable Period by Quarter Ended
   March 31  June 30  September 30  December 31
Calendar Year 2012            
Total revenues  $8,335,186   $8,266,835   $8,228,464   $7,926,085 
Income before taxes  $772,978   $198,872   $1,134,429   $748,757 
Net income  $500,370   $156,775   $745,595   $550,988 
Earnings per share: Basic  $0.09   $0.03   $0.14   $0.10 
Diluted  $0.09   $0.03   $0.14   $0.10 
                     
Calendar Year 2011                    
Total revenues  $8,607,845   $8,578,999   $9,077,819   $8,312,038 
Income before taxes  $1,726,174   $1,087,686   $1,946,354   $989,954 
Net income  $1,114,347   $706,687   $1,274,652   $644,190 
Earnings per share: Basic  $0.21   $0.13   $0.24   $0.12 
Diluted  $0.21   $0.13   $0.24   $0.12