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Net Loss per Share Attributable to Common Stockholders (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Potential Common Shares Excluded from Computation of Diluted Net Loss per Share | The Company excluded the following potential common shares, presented based on amounts outstanding at period end, from the computation of diluted net loss per share attributable to common stockholders because including them would have had an anti-dilutive effect:
|  | As of June 30, |
|  | 2021 |  |  | 2020 |
Unvested restricted stock |  |  | 1,290,661 |  |  |  | 1,880,070 |
Outstanding options to purchase common stock |  |  | 5,934,744 |  |  |  | 5,646,046 |
Total |  |  | 7,225,405 |  |  |  | 7,526,116 |
Summary of Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders | The following table summarizes the computation of basic and diluted net loss per share attributable to common stockholders of the Company (in thousands except share and per share amounts):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (76,253 | ) |  | $ | (34,218 | ) |  | $ | (277,813 | ) |  | $ | (65,953 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of common shares, basic and diluted |  |  | 62,210,239 |  |  |  | 49,430,138 |  |  |  | 61,215,705 |  |  |  | 40,077,788 |
Net loss per common share attributable to common stockholders, basic and diluted |  | $ | (1.23 | ) |  | $ | (0.69 | ) |  | $ | (4.54 | ) |  | $ | (1.65 | )

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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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