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Prepaid Expenses and Other Current Assets (Tables)
6 Months Ended
Jun. 30, 2023
Prepaid Expenses and Other Current Assets [Abstract]  
Schedule of prepaid expenses and other current assets
   As of 
   June 30,
2023
   December 31,
2022
 
Prepaid insurance  $543   $288 
Prepaid research and development   2,717    569 
Prepaid software   126    122 
Accrued interest on marketable debt securities   344    486 
Other prepaid expenses   174    184 
Other current assets   1    127 
Total  $3,905   $1,776