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Net Loss Per Share Attributable to Common Stockholders (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Computation of basic and diluted net loss per share | The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands, except per share data) | 2019 |  | 2018 |  | 2019 |  | 2018
Net loss attributable to common stockholders | $ | (21,628 | ) |  | $ | (17,341 | ) |  | $ | (43,068 | ) |  | $ | (33,417 | )
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted | 95,820 |  |  | 23,750 |  |  | 94,785 |  |  | 23,623 |
Net loss per share attributable to common stockholders, basic and diluted | $ | (0.23 | ) |  | $ | (0.73 | ) |  | $ | (0.45 | ) |  | $ | (1.41 | )
Potentially dilutive securities | The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive:
| Three and Six Months Ended June 30,
(in thousands) | 2019 |  | 2018
Stock options | 14,892 |  |  | 19,521 |
Restricted stock units | 2,987 |  |  | 971 |
Restricted shares | 692 |  |  | 1,088 |
Shares to be issued under the 2018 ESPP | 253 |  |  | — |
Redeemable convertible preferred stock | — |  |  | 55,386 |
Total | 18,824 |  |  | 76,966 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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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