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Accrued Expenses
3 Months Ended
Mar. 31, 2023
Accrued Expenses  
Accrued Expenses

4. Accrued Expenses

Accrued expenses consist of the following:

March 31, 

    

December 31, 

    

2023

    

2022

Clinical trials

$

2,374

$

2,093

Professional fees

 

398

 

533

Payroll and related expenses

 

1,616

 

2,526

Accrued expenses

$

4,388

$

5,152