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Prepaid Expenses and Other Current Assets (Tables)
3 Months Ended
Mar. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consist of the following:
 
    
March 31,
    
December 31,
 
    
2023
    
2022
 
Clinical trial expenses
   $ 1,630      $ 1,630  
Insurance premiums
     109        123  
Professional services
     91        121  
Other
     125        95  
    
 
 
    
 
 
 
Total prepaid expenses and other current assets
   $ 1,955      $ 1,969