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Accrued Expenses and Other (Tables)
 6 Months Ended
Jun. 30, 2023
Accrued Expenses and Other [Abstract]  
Accrued Expenses

Accrued expenses consist of the following:
 
 
  
June 30,
2023
    
December 31,
 2022
  
 
  
(in thousands)
  
Legal and accounting fees
  
$
100
    
$
65
  
Accrued compensation
    
641
      
973
  
Lease liability
    
43
      
40
  
Accrued research and development costs and other
    
7,129
      
7,980
  
Total
  
$
7,913
    
$
9,058