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Net Loss Per Share | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Net Loss Per Share | 15. Net loss per share
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Net loss (in thousands) |  | $ | (25,683 | ) |  | $ | (52,350 | ) |  | $ | (53,476 | ) |  | $ | (59,792 | )
Weighted average shares outstanding for calculating basic and diluted loss per share |  |  | 100,321,943 |  |  |  | 86,156,309 |  |  |  | 99,752,707 |  |  |  | 76,581,517 |
Basic and diluted loss per share |  | $ | (0.26 | ) |  | $ | (0.61 | ) |  | $ | (0.54 | ) |  | $ | (0.78 | )
For purposes of computing diluted loss per share, weighted average common shares outstanding do not include potentially dilutive securities that are anti-dilutive, as shown below.
|  | As of June 30, |
|  | 2022 |  |  | 2021 |
Anti-dilutive securities excluded from calculating dilutive loss per share: |  |  |  |  |  |
Shares of common stock issuable under stock option plans outstanding |  |  | 8,151,733 |  |  |  | 8,152,359 |
Shares of common stock issuable upon vesting of restricted stock units |  |  | 7,818,475 |  |  |  | 5,194,128 |
Potential common shares excluded from diluted net loss per share calculation |  |  | 15,970,208 |  |  |  | 13,346,487 |

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