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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Accrued Liabilities, Current [Abstract]    
Accrued payroll and other employee benefits $ 2,975 $ 2,511
Clinical development 3,253 2,627
Other accruals 472 245
Non-clinical research 465 432
Accrued interest 74 71
Total accrued expenses $ 7,239 $ 5,886