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Accrued Expenses
 12 Months Ended
Dec. 31, 2020
Accrued Expenses  
Accrued Expenses

5. Accrued Expenses

Accrued expenses consist of the following:

 

 

 

 

 

 

 

 

 

 

December 31, 

 

    

2019

    

2018

Clinical trials

 

$

795

 

$

1,828

Professional fees

 

 

255

 

 

609

Payroll and related expenses

 

 

1,697

 

 

1,004

Accrued expenses

 

$

2,747

 

$

3,441