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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Revenues |  |  |  |
Revenues | $ 510,305 | $ 495,503 | $ 1,301,909 | $ 1,622,873
Operating expenses |  |  |  |
Cost of revenues (excluding depreciation) | 459,296 | 405,153 | 1,166,347 | 1,387,690
Operating expense (excluding depreciation) | 51,230 | 38,047 | 125,191 | 102,798
Lease operating expense | 10 | 1,575 | 134 | 4,614
Depreciation, depletion and amortization | 9,643 | 4,596 | 19,839 | 12,852
Impairment expense | 0 | 9,639 | 0 | 9,639
General and administrative expense | 9,863 | 9,939 | 31,654 | 31,878
Acquisition and integration expense | 2,047 | 280 | 3,563 | 1,811
Total operating expenses | 532,089 | 469,229 | 1,346,728 | 1,551,282
Operating income (loss) | (21,784) | 26,274 | (44,819) | 71,591
Other income (expense) |  |  |  |
Interest expense and financing costs, net | (11,232) | (4,387) | (21,951) | (15,769)
Loss on termination of financing agreements | 0 | 0 | 0 | (19,229)
Other income (expense), net | (56) | (45) | 60 | (199)
Change in value of common stock warrants | 657 | (1,023) | 3,477 | (2,732)
Change in value of contingent consideration | 1,025 | (4,255) | 10,753 | (18,679)
Equity earnings (losses) from Laramie Energy, LLC | 3,659 | (1,355) | (15,159) | (6,131)
Total other income (expense), net | (5,947) | (11,065) | (22,820) | (62,739)
Income (loss) before income taxes | (27,731) | 15,209 | (67,639) | 8,852
Income tax benefit (expense) | (30) | (469) | 8,117 | 18,073
Net income (loss) | $ (27,761) | $ 14,740 | $ (59,522) | $ 26,925
Earnings (loss) per share |  |  |  |
Income (loss) per common share, basic (USD per share) | $ (0.67) | $ 0.39 | $ (1.44) | $ 0.72
Income (loss) per common share, diluted (USD per share) | $ (0.67) | $ 0.39 | $ (1.44) | $ 0.72
Weighted-average number of shares outstanding |  |  |  |
Basic (in shares) | 41,580 | 37,390 | 41,309 | 37,304
Diluted (in shares) | 41,580 | 37,400 | 41,309 | 37,331

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