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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Schedule of Weighted Impacts of Outstanding Anti-dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share | Potential common shares that would have the effect of increasing diluted earnings per share are considered to be anti-dilutive and as such, these shares are not included in the calculation of diluted earnings per share. During the years ended December 31, 2021, 2020 and 2019, the Company reported a net loss. Therefore, dilutive common shares are not assumed to have been issued since their effect is anti-dilutive. Diluted weighted average shares excluded the following potential common shares related to stock options, restricted stock units and shares to be purchased under the employee stock purchase plan for the three years presented as they were anti-dilutive (in thousands):
|  | Years Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Employee stock options |  |  | 8,461 |  |  |  | 6,694 |  |  |  | 7,602 |
RSUs |  |  | 1,538 |  |  |  | 564 |  |  |  | 1,187 |
ESPP |  |  | 417 |  |  |  | 306 |  |  |  | 260 |
Warrants |  |  | — |  |  |  | — |  |  |  | 1 |
|  |  | 10,416 |  |  |  | 7,564 |  |  |  | 9,050 |

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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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