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Condensed Consolidated Statements of Operations - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Income Statement [Abstract] |  |  |  |
Revenue | $ 70,560 | $ 56,935 | $ 137,121 | $ 112,924
Costs and expenses: |  |  |  |
Cost of revenue (exclusive of depreciation and amortization) | 49,133 | 35,757 | 93,962 | 73,376
Sales and marketing | 3,058 | 3,167 | 6,492 | 6,269
Product development | 2,287 | 1,142 | 4,445 | 1,876
General and administrative | 10,294 | 8,953 | 20,329 | 15,612
Depreciation and amortization | 3,306 | 3,338 | 6,623 | 6,669
Spin-off transaction costs | 0 | 0 | 0 | 7,708
Total costs and expenses | 68,078 | 52,357 | 131,851 | 111,510
Income from operations | 2,482 | 4,578 | 5,270 | 1,414
Interest expense, net | (1,767) | (1,933) | (3,545) | (4,327)
Income (loss) before income taxes from continuing operations | 715 | 2,645 | 1,725 | (2,913)
Income tax benefit | 0 | 0 | 35 | 0
Net income (loss) from continuing operations | 715 | 2,645 | 1,760 | (2,913)
Discontinued operations: |  |  |  |
Loss from operations of discontinued operations, net of $0 income taxes | 0 | 0 | 0 | (2,084)
Loss on disposal of discontinued operations, net of $0 income taxes | 0 | 0 | 0 | (19,040)
Net loss from discontinued operations | 0 | 0 | 0 | (21,124)
Net income (loss) | $ 715 | $ 2,645 | $ 1,760 | $ (24,037)
Basic income (loss) per share: |  |  |  |
Continuing operations (in usd per share) | $ 0.01 | $ 0.03 | $ 0.02 | $ (0.04)
Discontinued operations (in usd per share) | 0.00 | 0.00 | 0.00 | (0.28)
Net income (loss) - basic (in usd per share) | 0.01 | 0.03 | 0.02 | (0.32)
Diluted income (loss) per share: |  |  |  |
Continuing operations (in usd per share) | 0.01 | 0.03 | 0.02 | (0.04)
Discontinued operations (in usd per share) | 0.00 | 0.00 | 0.00 | (0.28)
Net income (loss) - diluted (in usd per share) | $ 0.01 | $ 0.03 | $ 0.02 | $ (0.32)
Weighted average number of shares outstanding: |  |  |  |
Basic (in shares) | 79,388,383 | 78,196,959 | 79,297,599 | 74,885,746
Diluted (in shares) | 81,132,304 | 78,196,959 | 80,443,530 | 74,885,746

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