Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
---|---|---|
Payables And Accruals [Abstract] | ||
Research and development, including manufacturing and clinical expenditures | $ 10,546 | $ 1,326 |
License fees (Note 7) | 200 | |
Professional fees and other | 1,079 | 361 |
Payroll and payroll related | 2,743 | |
Total accrued expenses and other current liabilities | $ 14,368 | $ 1,887 |