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Other Payables and Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Schedule of other payables and accrued liabilities
   2021   2020 
   (In thousands of
U.S. Dollars)
 
Advance from customers  $759   $2,054 
Accrued wages and welfare   4.986    5,028 
Other payables   12,786    8,991 
Total other payables and accrued liabilities  $18,531   $16,073