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Accrued and Other Current Liabilities - Summary of Accrued and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Payables And Accruals [Abstract]    
Accrued compensation $ 3,833 $ 1,359
Accrued research and development expenses 1,187 450
Accrued professional services 386 301
Accrued other liabilities 326 710
Total $ 5,732 $ 2,820