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Prepayments and Other Current Assets (Tables)
 12 Months Ended
Dec. 31, 2022
Prepayments And Other Current Assets  
Schedule of Prepayments and Other Current Assets

Prepayments and other current assets are summarized as follows:

   2022   2021 
   As of December 31, 
   2022   2021 
Prepaid expenses  $2,321   $2,978 
Prepaid supplies   927    487 
Prepaid software license   -    129 
Refundable income and franchise taxes   957    745 
Unamortized debt costs   216    - 
Other receivables   20    409 
Total prepayments and other current assets  $4,441   $4,748