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Accrued Liabilities
12 Months Ended
Dec. 31, 2022
Payables and Accruals [Abstract]  
Accrued Liabilities
9.
Accrued Liabilities

Accrued liabilities as of December 31, 2022 and 2021 consisted of the following (in thousands):

 

 

 

December 31,

 

 

 

2022

 

 

2021

 

Professional fees

 

$

4,744

 

 

$

3,687

 

Clinical and contract research organization costs

 

 

1,533

 

 

 

1,646

 

Travel and entertainment

 

 

233

 

 

 

184

 

Tax liabilities

 

 

194

 

 

 

391

 

Purchases of property and equipment

 

 

1,680

 

 

 

615

 

Computer and software

 

 

2,385

 

 

 

1,776

 

Other

 

 

1,655

 

 

 

1,044

 

Total accrued liabilities

 

$

12,424

 

 

$

9,343