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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Oil, natural gas and natural gas liquids sales: |  |  |  |
Total oil, natural gas and natural gas liquids sales | $ 80,504 | $ 39,446 | $ 199,873 | $ 104,501
Other | 312 | 384 | 827 | 1,222
Total operating revenues | 80,816 | 39,830 | 200,700 | 105,723
Production: |  |  |  |
Lease operating | 11,979 | 10,091 | 31,615 | 32,880
Workover and other | 990 | 905 | 2,317 | 2,767
Taxes other than income | 3,082 | 2,722 | 9,186 | 7,130
Gathering and other | 15,934 | 13,500 | 43,436 | 39,275
Restructuring |  |  |  | 2,580
General and administrative | 4,491 | 4,111 | 13,349 | 13,237
Depletion, depreciation and accretion | 10,885 | 15,755 | 32,729 | 48,167
Full cost ceiling impairment |  | 128,336 |  | 188,443
Total operating expenses | 47,361 | 175,420 | 132,632 | 334,479
Income (loss) from operations | 33,455 | (135,590) | 68,068 | (228,756)
Other income (expenses): |  |  |  |
Net gain (loss) on derivative contracts | (20,571) | (15,843) | (119,371) | 67,695
Interest expense and other | (1,900) | (1,692) | (5,017) | (4,889)
Gain (loss) on extinguishment of debt | 2,068 |  | 2,068 |
Total other income (expenses) | (20,403) | (17,535) | (122,320) | 62,806
Income (loss) before income taxes | 13,052 | (153,125) | (54,252) | (165,950)
Net income (loss) | $ 13,052 | $ (153,125) | $ (54,252) | $ (165,950)
Net income (loss) per share of common stock: |  |  |  |
Basic (in dollars per share) | $ 0.80 | $ (9.45) | $ (3.34) | $ (10.24)
Diluted (in dollars per share) | $ 0.79 | $ (9.45) | $ (3.34) | $ (10.24)
Weighted average common shares outstanding: |  |  |  |
Basic (in shares) | 16,270 | 16,204 | 16,257 | 16,204
Diluted (in shares) | 16,428 | 16,204 | 16,257 | 16,204
Total oil, natural gas and natural gas liquids sales |  |  |  |
Oil, natural gas and natural gas liquids sales: |  |  |  |
Total oil, natural gas and natural gas liquids sales | $ 80,504 | $ 39,446 | $ 199,873 | $ 104,501
Oil |  |  |  |
Oil, natural gas and natural gas liquids sales: |  |  |  |
Total oil, natural gas and natural gas liquids sales | 60,023 | 33,638 | 153,228 | 91,313
Natural gas |  |  |  |
Oil, natural gas and natural gas liquids sales: |  |  |  |
Total oil, natural gas and natural gas liquids sales | 9,435 | 1,912 | 23,839 | 3,102
NGLs |  |  |  |
Oil, natural gas and natural gas liquids sales: |  |  |  |
Total oil, natural gas and natural gas liquids sales | $ 11,046 | $ 3,896 | $ 22,806 | $ 10,086

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