Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) $ in Thousands	6 Months Ended
Jun. 30, 2021 USD ($)
Payments of Stock Issuance Costs	$ 2,024
Pre Funded Warrants And Unit Purchase Option [Member]
Payments of Stock Issuance Costs	$ 1,989

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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

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