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Shareholders' Equity - Reserved Share of Common Stock (Details)	Dec. 31, 2020 shares
Reserved Common Stock [Line Items]
Total shares reserved	16,271,227
Options granted and outstanding
Reserved Common Stock [Line Items]
Total shares reserved	11,938,528
Options available for future grant
Reserved Common Stock [Line Items]
Total shares reserved	4,089,584
Common stock warrants
Reserved Common Stock [Line Items]
Total shares reserved	243,115

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- Definition

Reserved Common Stock [Line Items]

+ References

No definition available.

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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

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