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Accrued Expenses
3 Months Ended
Mar. 31, 2025
Payables and Accruals [Abstract]  
Accrued Expenses Accrued Expenses
Accrued expenses consisted of the following (in thousands):
March 31, 2025December 31, 2024
Research and development$525 $1,845 
Professional fees465 537 
Compensation and related expenses3,554 4,879 
Other161 187 
$4,705 $7,448