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Accounts Payable and Accrued Expenses (Tables)
9 Months Ended
Sep. 30, 2021
Payables And Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

    

September 30, 2021

    

December 31, 2020

Accounts payable

$

5,369

$

4,893

Accrued research projects

 

3,496

 

6,194

Accrued compensation and benefits

 

4,125

 

4,955

Accrued professional fees and other

 

822

 

839

Total

$

13,812

$

16,881