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Accrued Expenses (Tables)
9 Months Ended
Sep. 30, 2021
Accrued Expenses  
Schedule of accrued expenses

Accrued expenses consisted of the following (in thousands):

September 30, 

December 31, 

    

2021

    

2020

Accrued compensation

$

1,513

$

1,719

Accrued contracted research costs

1,211

1,726

Accrued professional fees

612

356

Accrued other

249

Accrued severance

396

Total

$

3,585

$

4,197