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Prepaid Expenses, Other Current Assets and Other Noncurrent Assets - Summary Of Prepaid Expenses And Other Current Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Prepaid Expense and Other Assets, Current [Abstract]    
Payroll tax credit $ 755 $ 948
Prepaid external research and development 1,834 1,329
Research credit receivable 0 116
Prepaid expenses 427 421
Other 83 146
Total prepaid expenses and other current assets $ 3,099 $ 2,960