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Net Loss Per Share Attributable to Common Stockholders | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Net loss per share attributable to common stockholders | 9. 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:
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Numerator: |  |  |  |  |  |  |  |
Net loss |  | $ | (85,805 | ) |  | $ | (52,243 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average number of common shares, basic and diluted |  |  | 36,739,269 |  |  |  | 33,488,456 |
Net loss per share, basic and diluted |  | $ | (2.34 | ) |  | $ | (1.56 | )
The Company’s potential dilutive securities, which include common stock options and ESPP purchase rights, have been excluded from the computation of diluted net loss per share as the effect would be anti-dilutive. Therefore, the weighted average number of common shares outstanding used to calculate both basic and diluted net loss per share is the same. 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 for the periods indicated because including them would have had an anti-dilutive effect:
|  | December 31, |
|  | 2021 |  |  | 2020 |
Outstanding options to purchase common stock |  |  | 5,435,304 |  |  |  | 4,454,424 |

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