CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (Parenthetical)	12 Months Ended
Dec. 31, 2020 USD ($) $ / shares
Series 1, Series 2, and 2019 Bridge Note warrants May 2020
Stock Transactions, Parenthetical Disclosures
Issuance costs	$ 486,000
Warrants issuance cost	461,000
March 2020 Equity Purchase Agreement
Stock Transactions, Parenthetical Disclosures
Issuance costs	13,000
At The Market Offering
Stock Transactions, Parenthetical Disclosures
Offering costs	78,000
Issuance costs	40,000
PIPE Financing accredited investor
Stock Transactions, Parenthetical Disclosures
Issuance costs	$ 51,000
Series C perpetual preferred stock
Stock Transactions, Parenthetical Disclosures
Redemption price per share \| $ / shares	$ 8

The cash outflow for cost incurred directly with the issuance of warrants.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
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The cash outflow for cost incurred directly with the issuance of an equity security.

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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.

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