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Accrued and Other Current Liabilities (Tables)
6 Months Ended
Jun. 30, 2023
Payables and Accruals [Abstract]  
Schedule of Accrued and Other Current Liabilities

Accrued and other current liabilities consist of the following:

 

   June 30,   December 31, 
   2023   2022 
   (in thousands) 
Research and development  $923   $ 
Advisory costs   375    300 
Legal costs       135 
Audit services   70    80 
Payroll   82    55 
Other liabilities   26    12 
Total accrued and other current liabilities  $1,476   $582