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Accrued expenses (Tables)
6 Months Ended
Jun. 30, 2023
Accrued expenses  
Schedule of accrued expenses

As of June 30, 

As of December 31, 

    

2023

    

2022

 

(in thousands)

Employee compensation costs

$

3,731

$

4,559

Research and development costs

3,335

1,895

Professional services

829

726

Accrued goods and services

 

1,165

 

636

Total

$

9,060

$

7,816