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Net Loss per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Summary of Basic and Diluted Net Loss per Share | Basic and diluted net loss per share for each of the periods presented are calculated as follows:
|  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2020 |
|  | RMB |  |  | RMB |  |  | US$ (Note 2.5) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to ordinary shareholders |  |  | (1,103,380 | ) |  |  | (570,635 | ) |  |  | (84,045 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of ordinary shares outstanding—basic and diluted |  |  | 7,184,086 |  |  |  | 126,758,926 |  |  |  | 126,758,926 |
Net loss per share—basic and diluted |  |  | (153.59 | ) |  |  | (4.50 | ) |  |  | (0.66 | )
Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share | The potentially dilutive securities that have not been included in the calculation of diluted net loss per share as their inclusion would be anti-dilutive are as follows:
|  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2020 |
Convertible preferred shares |  |  | 95,222,315 |  |  |  | 5,593,305 |
Restricted shares |  |  | 1,179,634 |  |  |  | — |
Restricted share units |  |  | — |  |  |  | 1,071,194 |
Stock options |  |  | 11,445,457 |  |  |  | 17,321,232 |

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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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