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Net Loss Per Share - Potentially Dilutive Securities not Included in Diluted per Share Calculations (Details) - shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Potentially dilutive securities | 2,071,773 | 1,553,590
Stock Options Issued And Outstanding Equity Incentive Plan And Under 2019 Equity Incentive Plan And 2015 Stock Plan |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Potentially dilutive securities | 2,024,681 | 1,481,100
Estimated Shares Issuable Under Employee Stock Purchase Plan |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Potentially dilutive securities | 6,592 | 15,990
RSUs Subject to Future Vesting |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Potentially dilutive securities | 40,500 | 56,500

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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