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Net Income (Loss) Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Basic and Diluted Net Income (Loss) Per Share | The basic and diluted net income (loss) per share calculations for the three and six months ended June 30, 2021 and 2020 were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (In thousands, except per share data)
Net income (loss) | $ | 20,424 |  |  | $ | (4,299) |  |  | $ | 34,551 |  |  | $ | 7,012 |
Weighted-average shares outstanding – basic | 43,262 |  |  | 42,659 |  |  | 43,113 |  |  | 42,509 |
Effect of dilutive securities from stock award plans | 2,066 |  |  | — |  |  | 2,040 |  |  | 1,107 |
Effect of convertible senior notes | 1,778 |  |  | — |  |  | 1,612 |  |  | — |
Weighted-average shares outstanding – diluted | 47,106 |  |  | 42,659 |  |  | 46,765 |  |  | 43,616 |
Net income (loss) per share – basic | $ | 0.47 |  |  | $ | (0.10) |  |  | $ | 0.80 |  |  | $ | 0.16 |
Net income (loss) per share – diluted | $ | 0.43 |  |  | $ | (0.10) |  |  | $ | 0.74 |  |  | $ | 0.16 |
Anti-dilutive weighted-average shares related to stock award plans | 199 |  |  | 4,931 |  |  | 290 |  |  | 1,929 |
Anti-dilutive weighted-average shares related to warrants | 5,908 |  |  | — |  |  | 5,908 |  |  | — |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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