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Accounts Payable and Accrued Expenses (Tables)
9 Months Ended
Sep. 30, 2020
Payables And Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

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September 30, 2020

    

December 31, 2019

Accounts payable

​

$

6,483

​

$

9,100

Accrued research projects

​

 

4,310

​

 

6,637

Accrued professional fees

​

 

768

​

 

635

Accrued compensation and benefits

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3,496

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3,293

Total

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$

15,057

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$

19,665