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Note 13 - Accrued Payroll and Other Accruals (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
  

June 30,

2021

  

December 31,

2020

 
  

US$(000)

  

US$(000)

 
  

(Unaudited)

     
         

Accrued payroll and staff welfare

  179   229 

Accrued operating expenses

  101   260 
   280   489