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Unaudited Quarterly Financial Information | 12 Months Ended
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Sep. 30, 2016
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 2016 and 2015 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
2016
| First |  | Second |  | Third |  | Fourth |  | Total
Operating revenues | $ | 2,280 |  |  | $ | 2,571 |  |  | $ | 2,479 |  |  | $ | 3,286 |  |  | $ | 10,616 |
Operating expenses | 2,052 |  |  | 1,982 |  |  | 1,913 |  |  | 2,343 |  |  | 8,290 |
Operating income | 228 |  |  | 589 |  |  | 566 |  |  | 943 |  |  | 2,326 |
Net income (loss) | (37 | ) |  | 318 |  |  | 291 |  |  | 661 |  |  | 1,233 |
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 |

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: 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=68064558&loc=d3e765-108305 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=68064558&loc=d3e725-108305 + Details
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