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Accrued and Other Current Liabilities
12 Months Ended
Dec. 31, 2023
Accrued and Other Current Liabilities [Abstract]  
Accrued and Other Current Liabilities

9.    Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following at December 31, 2023 and 2022 (in thousands):

 

December 31, 

December 31, 

    

2023

    

2022

Accrued research and development

$

3,668

$

3,611

Accrued legal and professional fees

 

570

 

333

Other current liabilities

 

380

 

1,006

$

4,618

$

4,950

Other current liabilities include accrued payroll costs of approximately $0 and $680,000 for the years ended December 31, 2023 and 2022 respectively.