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Selected Quarterly Financial Data (Notes) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Data [Abstract] |
Selected Quarterly Financial Data | Selected Quarterly Financial Data (Unaudited)
| Predecessor |  |  | Successor
| Periods Ended |  |  | Period Ended
(in thousands) | March 31 |  | June 30 |  | September 30 |  | October 1, 2016 through October 10, 2016 |  |  | October 11, 2016 through December 31, 2016
2016 |  |  |  |  |  |  |  |  |  |
Revenues | $ | 15,121 |  |  | $ | 23,347 |  |  | $ | 27,321 |  |  | $ | 3,327 |  |  |  | $ | 29,717 |
Operating expenses | 29,855 |  |  | 30,251 |  |  | 32,228 |  |  | 183,465 |  |  |  | 36,800 |
Gain (loss) on sale of oil and natural gas properties | (4 | ) |  | — |  |  | 15 |  |  | — |  |  |  | 24 |
Operating loss | (14,738 | ) |  | (6,904 | ) |  | (4,892 | ) |  | (180,138 | ) |  |  | (7,059 | )
Other income (expense) | 277 |  |  | (9,635 | ) |  | (242 | ) |  | (2,858 | ) |  |  | (1,926 | )
Income tax expense (benefit) | — |  |  | 406 |  |  | — |  |  | — |  |  |  | — |
Net loss | (14,461 | ) |  | (16,133 | ) |  | (5,134 | ) |  | (182,996 | ) |  |  | (8,081 | )
Loss per share: |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  | $ | (0.05 | )
Diluted |  |  |  |  |  |  |  |  |  | $ | (0.05 | )
| Predecessor
| Quarters Ended
(in thousands) | March 31 |  | June 30 |  | September 30 |  | December 31
2015 |  |  |  |  |  |  |
Revenues | $ | 24,416 |  |  | $ | 22,431 |  |  | $ | 21,893 |  |  | $ | 21,720 |
Operating expenses | 36,656 |  |  | 37,184 |  |  | 30,442 |  |  | 42,024 |
Gain (loss) on sale of oil and natural gas properties | 2,675 |  |  | 4 |  |  | 9 |  |  | (249 | )
Operating loss | (9,565 | ) |  | (14,749 | ) |  | (8,540 | ) |  | (20,553 | )
Other income (expense) | 3,628 |  |  | (7,922 | ) |  | 11,866 |  |  | 6,938 |
Income tax expense | — |  |  | — |  |  | — |  |  | 572 |
Net (loss) income | (5,937 | ) |  | (22,671 | ) |  | 3,326 |  |  | (13,043 | )

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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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