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Net earnings (loss) per share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Schedule of 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) |
Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Net Loss per Share | 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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- 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=124432515&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=124432515&loc=d3e3550-109257 + Details
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