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Loss per share | 6 Months Ended
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Jun. 30, 2021
Loss per share |
Loss per share | 12. Loss per share Basic and diluted net loss per share for each of the period presented are calculated as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | $ |  |  | $ |  |  | $ |  |  | $ |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to ordinary shareholders |  |  | (163,324 | ) |  |  | (80,629 | ) |  |  | (396,234 | ) |  |  | (128,617 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of ordinary shares- basic and diluted |  |  | 93,045,531 |  |  |  | 74,738,563 |  |  |  | 90,723,132 |  |  |  | 73,847,551 |
Product revenue - net |  |  | (1.76 | ) |  |  | (1.08 | ) |  |  | (4.37 | ) |  |  | (1.74 | )
As a result of the Group’s net loss for the six months ended June 30, 2021 and 2020, share options and non-vested restricted shares outstanding in the respective periods were excluded from the calculation of diluted loss per share as their inclusion would have been anti-dilutive.
|  | As of |
|  | June 30, 2021 |  |  | June 30, 2020 |
Share options |  |  | 8,629,440 |  |  |  | 9,808,561 |
Non-vested restricted shares |  |  | 632,535 |  |  |  | 710,068 |

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