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Unaudited Quarterly Financial Information | 12 Months Ended
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Sep. 30, 2015
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 2015 and 2014 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 2015
| First |  | Second |  | Third |  | Fourth |  | Total
Operating revenues | $ | 2,411 |  |  | $ | 2,863 |  |  | $ | 2,558 |  |  | $ | 3,171 |  |  | $ | 11,003 |
Operating expenses | 2,047 |  |  | 2,087 |  |  | 2,252 |  |  | 2,402 |  |  | 8,788 |
Operating income | 364 |  |  | 776 |  |  | 306 |  |  | 769 |  |  | 2,215 |
Net income (loss) | 81 |  |  | 496 |  |  | 32 |  |  | 502 |  |  | 1,111 |
Unaudited Quarterly Financial Information 2014
| First |  | Second |  | Third |  | Fourth |  | Total
Operating revenues | $ | 2,382 |  |  | $ | 2,938 |  |  | $ | 2,651 |  |  | $ | 3,166 |  |  | $ | 11,137 |
Operating expenses | 2,164 |  |  | 2,362 |  |  | 2,453 |  |  | 2,569 |  |  | 9,548 |
Operating income | 218 |  |  | 576 |  |  | 198 |  |  | 597 |  |  | 1,589 |
Net income (loss) | (67 | ) |  | 295 |  |  | (81 | ) |  | 322 |  |  | 469 |

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e765-108305 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e725-108305 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a + Details
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