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Accrued Expenses and Other Current Liabilities
 12 Months Ended
Dec. 31, 2022
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consisted of the following:
 Year Ended December 31,
 20222021
Accrued external research and development costs$2,219 $5,316 
Accrued payroll and payroll-related costs5,347 4,180 
Accrued professional fees502 355 
Other2,146 3,238 
 $10,214 $13,089