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SELECTED CONSOLIDATED QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)
 12 Months Ended
Dec. 31, 2014
SELECTED CONSOLIDATED QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]  
Quarterly Unaudited Consolidated Statements of Operations
The following table is derived from quarterly unaudited consolidated statements of operations for the years ended December 31, 2014 and 2013.  Quarterly basic and diluted per share amounts do not add to the full year total due to rounding.

 
 
First Quarter
  
Second Quarter
  
Third Quarter
  
Fourth Quarter
 
In thousands (except per share data)
 
2014
  
2013
  
2014
  
2013
  
2014
  
2013
  
2014
  
2013
 
 
 
  
  
  
  
  
  
  
 
Operating revenues
 
$
16,900
  
$
16,327
  
$
17,891
  
$
17,780
  
$
19,595
  
$
18,073
  
$
18,079
  
$
16,893
 
Operating income
 
$
3,146
  
$
2,738
  
$
3,649
  
$
4,145
  
$
5,331
  
$
4,324
  
$
3,920
  
$
3,277
 
Net income applicable to common stock
 
$
2,083
  
$
1,640
  
$
1,962
  
$
2,512
  
$
3,317
  
$
2,602
  
$
2,144
  
$
1,547
 
 
                                
Income per common share
                                
Basic
 
$
0.24
  
$
0.19
  
$
0.22
  
$
0.29
  
$
0.37
  
$
0.30
  
$
0.24
  
$
0.18
 
Diluted
 
$
0.23
  
$
0.19
  
$
0.22
  
$
0.28
  
$
0.37
  
$
0.29
  
$
0.24
  
$
0.17