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Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Offering and Issuance costs	$ 45
Series C Convertible Preferred Stock
Offering and Issuance costs	217
Discount on allocation of proceeds to preferred stock tranche obligation	$ 2,230

X

- Definition

Discount on allocation of proceeds to preferred stock tranche obligation.

+ References

No definition available.

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X

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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