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Selected Balance Sheet Information - Schedule of Prepaid expenses and other current assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Selected Balance Sheet Information    
Prepaid clinical research organizations $ 2,474 $ 2,293
Prepaid manufacturing expenses 879 418
Prepaid insurance 440 637
Receivable from prior owner 229 144
Prepaid consulting, subscriptions and other expenses 197 155
VAT receivable 4 87
Total $ 4,223 $ 3,734