Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity (Parenthetical)

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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Issuance of common stock and pre-funded warrants through underwritten offerings and issuance under ATM agreement, offering costs   $ 3,447
ATM Agreement    
Issuance of common stock and pre-funded warrants through underwritten offerings and issuance under ATM agreement, offering costs $ 330