Annual report pursuant to Section 13 and 15(d)

Quarterly Results of Operations (Unaudited)

v3.3.1.900
Quarterly Results of Operations (Unaudited)
 12 Months Ended
Dec. 31, 2015
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, 2015 and 2014: 
 
 
2015
 
 
March 31
 
June 30
 
September 30
 
December 31
Operating revenue
 
$
205,918

 
$
249,694

 
$
247,093

 
$
256,420

Income from operations
 
8,248

 
19,908

 
24,601

 
29,015

Net income
 
4,836

 
11,824

 
15,687

 
23,228

 
 
 
 
 
 
 
 
 
Net income per share:
 
 
 
 
 
 
 
 
   Basic
 
$
0.16

 
$
0.38

 
$
0.51

 
$
0.75

   Diluted
 
$
0.16

 
$
0.38

 
$
0.50

 
$
0.75

 
 
 
 
 
 
 
 
 
 
 
2014
 
 
March 31
 
June 30
 
September 30
 
December 31
Operating revenue
 
$
171,569

 
$
193,852

 
$
201,477

 
$
214,061

Income from operations
 
16,271

 
27,595

 
26,906

 
25,634

Net income
 
10,202

 
17,178

 
16,744

 
17,045

 
 
 
 
 
 
 
 
 
Net income per share:
 
 
 
 
 
 
 
 
   Basic
 
$
0.33

 
$
0.56

 
$
0.55

 
$
0.56

   Diluted
 
$
0.33

 
$
0.55

 
$
0.54

 
$
0.55