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Common Stock - Reserved (Details) | Dec. 31, 2020 shares
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Class of Stock [Line Items] |
Shares reserved for future issuance | 8,618,259
2018 ESPP |
Class of Stock [Line Items] |
Shares reserved for future issuance | 795,849
2018 Plan |
Class of Stock [Line Items] |
Shares reserved for future issuance | 1,962,992
Stock options |
Class of Stock [Line Items] |
Shares reserved for future issuance | 3,679,931
Warrant |
Class of Stock [Line Items] |
Shares reserved for future issuance | 2,179,487

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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