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Shareholders' Equity - Additional Information (Details) - Series C-1 Convertible Preferred Stock - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Class Of Stock [Line Items]    
Preferred stock, shares issued (in shares) 3,906 3,906
Convertible Preferred Stock, Shares Reserved for Future Issuance 6,735,378 6,735,378
Preferred stock, liquidation preference $ 3,906 $ 3,906