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Accrued Expenses
6 Months Ended
Jun. 30, 2021
Payables and Accruals [Abstract]  
Accrued Expenses

4. Accrued Expenses

Accrued expenses consisted of the following (in thousands):

 

 

 

June 30,

 

 

December 31,

 

 

 

2021

 

 

2020

 

Research and development expenses

 

$

9,665

 

 

$

2,063

 

Employee compensation and benefits

 

 

2,175

 

 

 

2,634

 

Professional services and other

 

 

945

 

 

 

581

 

Total accrued expenses

 

$

12,785

 

 

$

5,278