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Net Loss per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Net Loss per Share |
Basic and diluted net loss per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Nine months ended | ​
​ | ​ | September 30, | ​ | September 30, | ​
(in thousands, except per share data) |  | 2021 |  | 2020 | ​ | 2021 |  | 2020 |
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss, basic and diluted |  | $ | (151,273) |  | $ | (58,323) | ​ | $ | (331,152) |  | $ | (153,331) |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average number of shares used in computing net loss per share, basic and diluted | ​ | ​ | 92,558 | ​ | ​ | 80,908 | ​ | ​ | 89,130 | ​ | ​ | 79,430 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss per share, basic and diluted | ​ | $ | (1.63) | ​ | $ | (0.72) | ​ | $ | (3.72) | ​ | $ | (1.93) | ​
Total outstanding potentially dilutive shares | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​
​ |  | 2021 |  | 2020 |
​ |  | (in thousands) | ​
Options to purchase common stock | ​ | 6,012 |  | 7,265 | ​
Restricted stock units | ​ | 3,782 | ​ | 3,901 | ​
Employee stock purchase plan | ​ | 73 | ​ | 122 | ​
Convertible Notes | ​ | 7,411 | ​ | 7,411 | ​
Estimated earnout shares for an asset acquisition | ​ | 270 | ​ | — | ​
Total | ​ | 17,548 |  | 18,699 | ​

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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://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=6371337&loc=d3e3550-109257 + Details
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