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Net Income (Loss) Per Share | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Net Income (Loss) Per Share | Note 3. Net Income (Loss) Per Share
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Net income (loss) |  | $ | (21,529 | ) |  | $ | 2,119 |  |  | $ | (14,122 | ) |  | $ | 760 |
Weighted average shares outstanding |  |  | 27,468 |  |  |  | 27,024 |  |  |  | 27,358 |  |  |  | 26,923 |
Effect of dilutive stock options |  |  | — |  |  |  | 163 |  |  |  | — |  |  |  | 127 |
Diluted shares outstanding |  |  | 27,468 |  |  |  | 27,187 |  |  |  | 27,358 |  |  |  | 27,050 |
Basic net income (loss) per share |  | $ | (0.78 | ) |  | $ | 0.08 |  |  | $ | (0.52 | ) |  | $ | 0.03 |
Diluted net income (loss) per share |  | $ | (0.78 | ) |  | $ | 0.08 |  |  | $ | (0.52 | ) |  | $ | 0.03 |
For both the three and six month periods ended June 30, 2016, approximately 0.9 million potentially dilutive stock options had the effect of being anti-dilutive and were excluded from the calculation of diluted net income per share. Given the net loss for the three and six months ended June 30, 2017, all options are considered anti-dilutive and were excluded from the calculation of diluted net loss per share.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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