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Company and Nature of Business - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Cash flow from operations $ (7,114) $ (7,510)  
Accumulated deficit $ 284,055   $ 277,481