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Note 13 - Accrued Payroll and Other Accruals
12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
13.
Accrued payroll and other accruals
 
    As of December 31,
    2020   2019
    US$('000)   US$('000)
         
Accrued payroll and staff welfare    
229
     
173
 
Accrued operating expenses    
260
     
318
 
     
489
     
491