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Quarterly Results (unaudited)
12 Months Ended
Dec. 31, 2011
Quarterly Results (unaudited) [Abstract]  
Quarterly Results (unaudited)
Note 16.  Quarterly Results (unaudited)

The following table shows selected quarterly results for the Company.
(in thousands except per share data)
               
                
For the year ended December 31, 2011
 
First
  
Second
  
Third
  
Fourth
  
Total
 
Operating revenues
 $60,428  $61,555  $62,657  $66,505  $251,145 
Operating income
  7,091   7,994   9,170   8,035   32,290 
Net income from continuing operations
  3,060   3,038   3,615   3,825   13,538 
Net income
  3,027   2,992   3,002   3,972   12,993 
                      
Net income from continuing operations per share – basic and diluted
 $0.13  $0.13  $0.15  $0.16  $0.57 
Net income per share – basic  and diluted
  0.13   0.13   0.13   0.16   0.55 
                      
For the year ended December 31, 2010
 
First
  
Second
  
Third
  
Fourth
  
Total
 
Operating revenues
 $41,597  $42,361  $53,233  $58,015  $195,206 
Operating income
  11,518   7,790   9,586   7,437   36,331 
Net income from continuing operations
  6,581   4,513   4,205   3,475   18,774 
Net income (loss)
  6,754   4,572   4,034   2,715   18,075 
                      
Net income from continuing operations per share – basic and diluted
 $0.28  $0.19  $0.17  $0.15  $0.79 
Net income per share – basic  and diluted
  0.29   0.19   0.17   0.11   0.76