CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020
Stock Transactions, Parenthetical Disclosures
Issuance costs		$ 51
Series 1, Series 2, and 2019 Bridge Note warrants May 2020
Stock Transactions, Parenthetical Disclosures
Issuance costs	$ 461	461
March 2020 Equity Purchase Agreement
Stock Transactions, Parenthetical Disclosures
Issuance costs	$ 13	$ 13

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

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=118932676&loc=d3e3291-108585

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