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Net Income (Loss) Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Basic and diluted net income per share | The following table sets forth the calculation of basic and diluted net income (loss) per share (in thousands, except per share amounts):
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Numerator: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | (576 | ) |  | $ | 1,378 |  |  | $ | 917 |  |  | $ | 5,001 |
Income from discontinued operations, net of income taxes | — |  |  | 241 |  |  | 1,938 |  |  | 687 |
Net income (loss) | $ | (576 | ) |  | $ | 1,619 |  |  | $ | 2,855 |  |  | $ | 5,688 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares—basic | 12,628 |  |  | 13,839 |  |  | 13,023 |  |  | 14,109 |
Effect of dilutive securities: stock options | — |  |  | 28 |  |  | 17 |  |  | 10 |
Weighted average common shares—diluted | 12,628 |  |  | 13,867 |  |  | 13,040 |  |  | 14,119 |
Income (loss) per share—basic: |  |  |  |  |  |  |
Continuing operations | $ | (0.05 | ) |  | $ | 0.10 |  |  | $ | 0.07 |  |  | $ | 0.35 |
Discontinued operations | — |  |  | 0.02 |  |  | 0.15 |  |  | 0.05 |
Net income (loss) per share—basic | $ | (0.05 | ) |  | $ | 0.12 |  |  | $ | 0.22 |  |  | $ | 0.40 |
Income (loss) per share—diluted: |  |  |  |  |  |  |
Continuing operations | $ | (0.05 | ) |  | $ | 0.10 |  |  | $ | 0.07 |  |  | $ | 0.35 |
Discontinued operations | — |  |  | 0.02 |  |  | 0.15 |  |  | 0.05 |
Net income (loss) per share—diluted | $ | (0.05 | ) |  | $ | 0.12 |  |  | $ | 0.22 |  |  | $ | 0.40 |

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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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