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Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) $ in Thousands | 12 Months Ended
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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

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- 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 + Details
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