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Note 25 - Reserves (Tables)
12 Months Ended
Dec. 31, 2020
Statement Line Items [Line Items]  
Disclosure of reserves within equity [text block]
    2020     2019     January 1, 2019  
                   
Foreign currency translation reserve    
(8,794
)    
(8,621
)    
(6,561
)
Equity-settled share-based payment reserve    
14,513
     
16,760
     
16,760
 
Contributed surplus    
132,591
     
132,591
     
132,591
 
Total    
138,310
     
140,730
     
142,790