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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Prepaid Expense, Current [Abstract]    
Prepaid insurance $ 3,380 $ 5,286
Prepaid research and development costs 1,614 639
Other prepaid expenses and current assets 260 656
Total $ 5,254 $ 6,581