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Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2021
Accrued Expenses  
Schedule of accrued expenses

December 31, 

    

2021

    

2020

Clinical trials

$

2,499

$

795

Professional fees

 

181

 

255

Payroll and related expenses

 

2,686

 

1,697

Accrued expenses

$

5,366

$

2,747