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NET INCOME (LOSS) PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Reconciliation used in computing basic and diluted net income per share | The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income (loss) per share (in thousands, except for per share amounts):
| Years Ended December 31,
| 2019 |  | 2018 |  | 2017
Numerator: |  |  |  |  |
Net income (loss) | $ | (20,044 | ) |  | $ | 54,343 |  |  | $ | (45,291 | )
Denominator: |  |  |  |  |
Weighted-average common stock outstanding, basic | 31,529 |  |  | 30,459 |  |  | 29,179 |
Dilutive potential common shares: |  |  |  |  |
Stock options, RSU's, RSAs and ESPP | — |  |  | 948 |  |  | — |
Shares used in computation of diluted net income (loss) per share | 31,529 |  |  | 31,407 |  |  | 29,179 |
Basic net income (loss) per share | $ | (0.64 | ) |  | $ | 1.78 |  |  | $ | (1.55 | )
Diluted net income (loss) per share | $ | (0.64 | ) |  | $ | 1.73 |  |  | $ | (1.55 | )

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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://fasb.org/us-gaap/role/ref/legacyRef -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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