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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2022
Prepaid Expenses and Other Current Assets [Abstract]  
Schedule of prepaid expenses and other current assets
   December 31,   December 31, 
   2022   2021 
Prepaid insurance  $684   $874 
Prepaid clinical trial expenses   887    543 
Other prepaid expenses and other current assets   65    61 
Total prepaid expenses and other current assets  $1,636   $1,478