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Accrued Expenses
3 Months Ended
Mar. 31, 2024
Payables and Accruals [Abstract]  
Accrued Expenses

5. Accrued Expenses

Accrued expenses consisted of the following (in thousands):

 

 

 

MARCH 31,
2024

 

 

DECEMBER 31,
2023

 

Payroll and employee related expenses

 

$

1,192

 

 

$

2,017

 

Third-party research and development expenses

 

 

749

 

 

 

1,811

 

Professional fees and other

 

 

831

 

 

 

528

 

 

 

$

2,772

 

 

$

4,356