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Net Income (Loss) Per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Summary of Net Income (Loss) Per Share |
|  | Three Months Ended March 31, |
|  | 2018 |  |  | 2017 |
Income (loss) from continuing operations |  | $ | (5,983 | ) |  | $ | 1,893 |
Income from discontinued operations, net of tax |  |  | — |  |  |  | 5,518 |
Net income (loss) |  | $ | (5,983 | ) |  | $ | 7,411 |
Weighted average shares outstanding |  |  | 27,597 |  |  |  | 27,303 |
Effect of dilutive stock options |  |  | — |  |  |  | 331 |
Diluted shares outstanding |  |  | 27,597 |  |  |  | 27,634 |
Basic income (loss) from continuing operations per share |  | $ | (0.22 | ) |  | $ | 0.07 |
Basic income from discontinued operations per share |  |  | — |  |  |  | 0.20 |
Basic net income (loss) per share |  | $ | (0.22 | ) |  | $ | 0.27 |
Diluted income (loss) from continuing operations per share |  | $ | (0.22 | ) |  | $ | 0.07 |
Diluted income from discontinued operations per share |  |  | — |  |  |  | 0.20 |
Diluted net income (loss) per share |  | $ | (0.22 | ) |  | $ | 0.27 |

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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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