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Net Loss Per Share | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Net Loss Per Share |
11. | Net Loss Per Share
The following weighted impacts of outstanding securities were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for the three years presented (in thousands):
|  | Years Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Employee stock options |  |  | 6,694 |  |  |  | 7,602 |  |  |  | 7,815 |
RSUs |  |  | 564 |  |  |  | 1,187 |  |  |  | 820 |
ESPP |  |  | 306 |  |  |  | 260 |  |  |  | 195 |
Warrants |  |  | — |  |  |  | 1 |  |  |  | 4 |
|  |  | 7,564 |  |  |  | 9,050 |  |  |  | 8,834 |

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