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Prepaid Expenses and Other Assets (Tables)
12 Months Ended
Dec. 31, 2022
Prepaid Expenses And Other Assets  
Schedule of prepaid expenses
         
   December 31, 
   2022   2021 
         
Prepaid insurance  $107   $105 
Prepaid licenses   98    80 
Employee retention credit receivable   1,363     
Prepaid other   309    171 
Total prepaid expenses and other assets  $1,877   $356