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Accrued Expenses - Schedule of Current Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Payables And Accruals [Abstract]    
Clinical trial expenses $ 2,698 $ 2,497
Compensation, excluding taxes 1,598 3,525
Other [1] 945 925
Total accrued expenses $ 5,241 $ 6,947
[1] 1Other consists of various accrued expenses, with no individual item accounting for more than 5% of current liabilities at December 31, 2020 and 2019.