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Unaudited Quarterly Financial Information
 12 Months Ended
Sep. 30, 2013
Quarterly Financial Information Disclosure [Abstract]  
Unaudited Quarterly Financial Information
Unaudited Quarterly Financial Information

A summary of the unaudited quarterly results of operations for the years 2013 and 2012 follows.  This summary should be read in conjunction with the audited consolidated financial statements appearing herein.  Results for interim periods may fluctuate as a result of seasonal weather conditions, changes in rates, and other factors.
Unaudited Quarterly Financial Information
2013
 
First
 
Second
 
Third
 
Fourth
 
Total
Operating revenues
$
2,579

 
$
2,741

 
$
2,602

 
$
3,034

 
$
10,956

Operating expenses
2,523

 
2,380

 
2,324

 
2,276

 
9,503

Operating income
56

 
361

 
278

 
758

 
1,453

Net income (loss)
(245
)
 
54

 
(12
)
 
474

 
271


Unaudited Quarterly Financial Information
2012
 
First
 
Second
 
Third
 
Fourth
 
Total
Operating revenues
$
2,568

 
$
2,604

 
$
2,777

 
$
3,271

 
$
11,220

Operating expenses
2,431

 
2,358

 
2,499

 
2,632

 
9,920

Operating income
137

 
246

 
278

 
639

 
1,300

Net income (loss)
(173
)
 
(94
)
 
(23
)
 
350

 
60