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Consolidated Statements of Operations - USD ($) shares in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Statement [Abstract] |  |  |
Revenue | $ 119,353,000 | $ 177,773,000 | $ 243,106,000
Costs and expenses: |  |  |
Operating expenses (excluding depreciation and amortization) | 149,225,000 | 159,808,000 | 188,744,000
Corporate general and administrative | 27,975,000 | 31,467,000 | 41,492,000
Depreciation and amortization | 8,465,000 | 9,216,000 | 9,768,000
Research and development | 8,863,000 | 10,356,000 | 13,130,000
(Gain) loss on disposal of long-lived assets | 1,450,000 | (443,000) | 292,000
Impairment of goodwill | 0 | 37,180,000 | 0
Total costs and expenses | 195,978,000 | 247,584,000 | 253,426,000
Loss from operations | (76,625,000) | (69,811,000) | (10,320,000)
Other (expense) income: |  |  |
Interest expense | (2,019,000) | (2,866,000) | (2,168,000)
Loss on sale of business | 0 | (360,000) | 0
Loss on write-down of assets held for sale | 0 | (2,580,000) | 0
Other (expense) income, net | 1,708,000 | (5,040,000) | 1,096,000
Total other expense | (311,000) | (10,846,000) | (1,072,000)
Loss before income taxes | (76,936,000) | (80,657,000) | (11,392,000)
Income tax benefit (expense) | 201,000 | 7,216,000 | (6,112,000)
Loss from continuing operations | (76,735,000) | (73,441,000) | (17,504,000)
Income (loss) from discontinued operations, net of tax | 44,456,000 | 2,743,000 | (9,891,000)
Net loss | (32,279,000) | (70,698,000) | (27,395,000)
Net loss attributable to noncontrolling interests | 0 | 358,000 | 0
Net loss attributable to Flotek Industries, Inc. (Flotek) | (32,279,000) | (70,340,000) | (27,395,000)
Amounts attributable to Flotek shareholders: |  |  |
Loss from continuing operations | (76,735,000) | (73,083,000) | (17,504,000)
Income (loss) from discontinued operations, net of tax | $ 44,456,000 | $ 2,743,000 | $ (9,891,000)
Basic earnings (loss) per common share: |  |  |
Continuing operations (in dollars per share) | $ (1.31) | $ (1.26) | $ (0.30)
Discontinued operations, net of tax (in dollars per share) | 0.76 | 0.05 | (0.17)
Basic earnings (loss) per common share (in dollars per share) | (0.55) | (1.21) | (0.47)
Diluted earnings (loss) per common share: |  |  |
Continuing operations (in dollars per share) | (1.31) | (1.26) | (0.30)
Discontinued operations, net of tax (in dollars per share) | 0.76 | 0.05 | (0.17)
Diluted earnings (loss) per common share (in dollars per share) | $ (0.55) | $ (1.21) | $ (0.47)
Weighted average common shares: |  |  |
Weighted average common shares used in computing basic earnings (loss) per common share (in shares) | 58,750 | 57,995 | 57,580
Weighted average common shares used in computing diluted earnings (loss) per common share (in shares) | 58,750 | 57,995 | 57,580

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