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Quarterly Financial Information
12 Months Ended
Dec. 31, 2011
Quarterly Financial Information [Abstract]  
Quarterly Financial Information
Note 14.   Quarterly Financial Information (Unaudited)

(Dollars in thousands except per share amounts)
 
2011
 
   
4th
  
3rd
  
2nd
  
1st
 
Operating revenue
 $39,564  $45,244  $40,108  $38,622 
Operating income
 $3,645  $6,342  $5,002  $4,666 
Net income
 $1,430  $2,971  $2,694  $2,142 
Basic earnings per share
 $0.11  $0.22  $0.20  $0.16 
Fully diluted earnings per share
 $0.11  $0.22  $0.20  $0.16 
                  
Dividends per share
 $0.14  $0.135  $0.135  $0.135 
                  
 
 2010 
   
4th
  
3rd
  
2nd
  
1st
 
Operating revenue
 $41,779  $43,480  $38,268  $38,720 
Operating income
 $4,463  $6,388  $5,657  $4,460 
Net income
 $2,114  $5,043  $3,510  $1,427 
Basic earnings per share
 $0.16  $0.38  $0.27  $0.11 
Fully diluted earnings per share
 $0.16  $0.38  $0.27  $0.11 
                  
Dividends per share
 $0.135  $0.13  $0.13  $0.13 

The summation of quarterly earnings per share computations may not equate to the year-end computation as the quarterly computations are performed on an individual basis.