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Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2020
Payables And Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

    

December 31, 2020

    

December 31, 2019

Accounts payable

$

4,893

$

9,100

Accrued research projects

 

6,194

 

6,637

Accrued professional fees

 

839

 

635

Accrued compensation and benefits

 

4,955

 

3,293

Total

$

16,881

$

19,665