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Accrued expenses and other current liabilities
9 Months Ended
Sep. 30, 2023
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 (in thousands):
 September 30,
2023
December 31,
2022
Accrued expenses and other current liabilities:
Accrued research and development$7,399 $9,824 
Accrued compensation and benefits5,974 6,831 
Other2,111 3,114 
Total accrued expenses and other current liabilities$15,484 $19,769