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Prepaid Expenses and Other Current Assets
 12 Months Ended
Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses And Other Current Assets
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Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets include the following:
 
    
December 31,
     
December 31,
  
    
2022
     
2021
  
Clinical trial expenses
    $ 1,630      $ 1,630  
Insurance premiums
      123        890  
Professional services
      121        15  
Other
      95        208  
    
 
 
     
 
 
  
Total prepaid expenses and other current assets
    $ 1,969      $ 2,743