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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Payables and Accruals [Abstract]    
Clinical expenses $ 1,470 $ 1,517
Compensation, excluding taxes 1,040 893
Short-term financing 0 551
Professional fees 1,087 603
Interest on Rosalind convertible note 553 393
Other 535 152
Total accrued expenses $ 4,685 $ 4,109