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Net loss per share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Net loss per share | Net loss per share The following table presents the calculation of basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share amounts):
| Fiscal Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Numerator: |  |  |  |  |
Net loss attributable to common stockholders | $ | (80,026) |  |  | $ | (77,620) |  |  | $ | (69,703) |
Denominator: |  |  |  |  |
Weighted-average shares used in computing net loss per share attributable to common stockholders | 54,972,827 |  |  | 33,384,438 |  |  | 27,096,379 |
Net loss per share attributable to common stockholders, basic and diluted | $ | (1.46) |  |  | $ | (2.33) |  |  | $ | (2.57) |
The following potentially dilutive securities were excluded from the computation of diluted net loss per share calculations, because the impact of including them would have been anti-dilutive:
| Fiscal Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Redeemable convertible preferred stock | — |  |  | 85,391,338 |  |  | 79,472,483 |
Stock options | 20,342,259 |  |  | 19,028,454 |  |  | 17,889,502 |
RSUs and restricted stock | 2,606,351 |  |  | — |  |  | — |
Contingently issuable shares under ESPP | 60,880 |  |  | — |  |  | — |
Early exercised common stock options subject to repurchase | — |  |  | — |  |  | 2,337 |
Redeemable convertible preferred stock warrants | — |  |  | 12,595 |  |  | 12,595 |
Total potentially dilutive securities | 23,009,490 |  | 104,432,387 |  |  | 97,376,917 |

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