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

Prepaid expenses and current assets consisted of the following as of December 31:

 

                 
(Dollars in thousands)   2022     2021  
Prepayment of fixed assets   $ 346     $ 2,715  
Prepayment of inventory     -       59  
Other     233       99  
Total prepaid expenses and current assets   $ 579     $ 2,873