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Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2017
Discontinued Operations and Disposal Groups [Abstract] |
Schedule of Discontinued Operations | A reconciliation of the line items comprising the results of operations of the Search products to the income (loss) from discontinued operations through the date of disposal presented in the consolidated statements of operations for the years ended December 31, 2017, 2016 and 2015, in thousands, is included in the following table:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Revenues from Search | $ | 2,088 |  |  | $ | 14,289 |  |  | $ | 17,755 |
Cost of revenues | (101 | ) |  | (458 | ) |  | (676 | )
Gross profit | 1,987 |  |  | 13,831 |  |  | 17,079 |
Total operating expenses | (1,817 | ) |  | (12,949 | ) |  | (13,753 | )
Gain on sale of Fly.com domain name | 2,890 |  |  | — |  |  | — |
Income from discontinued operations before income taxes | 3,060 |  |  | 882 |  |  | 3,326 |
Income tax expense | 1,122 |  |  | 258 |  |  | 985 |
Income from discontinued operations, net of income taxes | $ | 1,938 |  |  | $ | 624 |  |  | $ | 2,341 |

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