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Net Income (Loss) Per Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Summary of Net Income (Loss) Per Share |
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Loss from continuing operations |  | $ | (24,511 | ) |  | $ | (26,374 | ) |  | $ | (30,494 | ) |  | $ | (24,481 | )
Income from discontinued operations, net of tax (Note 2) |  | — |  |  | 5,236 |  |  | — |  |  | 10,754 |
Net loss |  | $ | (24,511 | ) |  | $ | (21,138 | ) |  | $ | (30,494 | ) |  | $ | (13,727 | )
Weighted average shares outstanding |  | 27,696 |  |  | 27,468 |  |  | 27,632 |  |  | 27,358 |
Effect of dilutive stock options |  | — |  |  | — |  |  | — |  |  | — |
Diluted shares outstanding |  | 27,696 |  |  | 27,468 |  |  | 27,632 |  |  | 27,358 |
Basic loss from continuing operations per share |  | $ | (0.89 | ) |  | $ | (0.96 | ) |  | $ | (1.10 | ) |  | $ | (0.89 | )
Basic income from discontinued operations per share |  | — |  |  | 0.19 |  |  | — |  |  | 0.39 |
Basic net loss per share |  | $ | (0.89 | ) |  | $ | (0.77 | ) |  | $ | (1.10 | ) |  | $ | (0.50 | )
Diluted loss from continuing operations per share |  | $ | (0.89 | ) |  | $ | (0.96 | ) |  | $ | (1.10 | ) |  | $ | (0.89 | )
Diluted income from discontinued operations per share |  | — |  |  | 0.19 |  |  | — |  |  | 0.39 |
Diluted net loss per share |  | $ | (0.89 | ) |  | $ | (0.77 | ) |  | $ | (1.10 | ) |  | $ | (0.50 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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