Annual report pursuant to Section 13 and 15(d)

Quarterly Results of Operations (Unaudited)

v2.4.0.8
Quarterly Results of Operations (Unaudited)
 12 Months Ended
Dec. 31, 2013
Quarterly Results of Operations (Unaudited) [Abstract]  
Quarterly Financial Information [Text Block]
Quarterly Results of Operations (Unaudited)

The following is a summary of the quarterly results of operations for the years ended December 31, 2013 and 2012: 
 
 
2013
 
 
March 31
 
June 30
 
September 30
 
December 31
Operating revenue
 
$
141,560

 
$
159,804

 
$
170,033

 
$
181,084

Income from operations
 
15,790

 
22,505

 
22,857

 
23,203

Net income
 
10,855

 
13,831

 
14,197

 
15,584

 
 
 
 
 
 
 
 
 
Net income per share:
 
 
 
 
 
 
 
 
   Basic
 
$
0.37

 
$
0.46

 
$
0.47

 
$
0.51

   Diluted
 
$
0.36

 
$
0.45

 
$
0.46

 
$
0.50

 
 
 
 
 
 
 
 
 
 
 
2012
 
 
March 31
 
June 30
 
September 30
 
December 31
Operating revenue
 
$
137,081

 
$
148,326

 
$
143,514

 
$
155,525

Income from operations
 
16,789

 
23,083

 
19,626

 
24,034

Net income
 
10,273

 
14,167

 
12,267

 
15,961

 
 
 
 
 
 
 
 
 
Net income per share:
 
 
 
 
 
 
 
 
   Basic
 
$
0.36

 
$
0.49

 
$
0.42

 
$
0.55

   Diluted
 
$
0.35

 
$
0.48

 
$
0.41

 
$
0.54