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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2021
Prepaid Expenses and Other Current Assets Table [Abstract]  
Schedule of receivables represented the amount available for future deduction against VAT payable
   December 31,
2020
   December 31,
2021
 
Advances to suppliers  $2,117   $7,102 
Prepaid expenses   208    4,687 
VAT receivables   2,471    4,106 
Deposits   746    1,029 
Other receivables   480    203 
Total  $6,022   $17,127