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Accrued Expenses and Other Current Liabilities
12 Months Ended
Dec. 31, 2020
Payables And Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities

7. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

 

 

 

December 31,

 

 

 

2020

 

 

2019

 

External research and development

 

$

5,099

 

 

$

3,077

 

Professional services

 

 

464

 

 

 

336

 

Other

 

 

197

 

 

 

333

 

Total accrued expenses and other current liabilities

 

$

5,760

 

 

$

3,746