CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (Parenthetical) $ in Thousands	9 Months Ended
Sep. 30, 2020 USD ($) $ / shares
Series 1, Series 2, and 2019 Bridge Note warrants May 2020
Stock Transactions, Parenthetical Disclosures
Issuance costs	$ 461
March 2020 Equity Purchase Agreement
Stock Transactions, Parenthetical Disclosures
Issuance costs	13
PIPE Financing accredited investor
Stock Transactions, Parenthetical Disclosures
Issuance costs	$ 51
Series C perpetual preferred stock
Stock Transactions, Parenthetical Disclosures
Redemption price per share \| $ / shares	$ 8

The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644

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