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Accrued Expenses (Tables)
3 Months Ended
Mar. 31, 2023
Payables and Accruals [Abstract]  
Schedule of accrued expenses
Accrued expenses consist of the following:
 
    
March 31,
    
December 31,
 
    
2023
    
2022
 
Clinical expenses
   $ 2,398      $ 1,470  
Compensation, excluding taxes
     1,559        1,040  
Professional fees
     2,189        1,087  
Interest on convertible note
     593        553  
Other
     381        535  
    
 
 
    
 
 
 
Total accrued expenses
   $ 7,120      $ 4,685