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Note 15 - Finance Income and Finance Cost (Tables)
 12 Months Ended
Dec. 31, 2020
Statement Line Items [Line Items]  
Disclosure of the components of finance income (cost) [text block]
    2020     2019     2018  
                   
Finance income received - Bank    
62
      
146
      
53
  
                         
Finance cost - Term loan (note 29)    
386
      
165
      
92
  
Finance cost - Capitalised to property, plant and equipment (note 17)    
(53
 )    
(165
 )    
(92
 )
Unwinding of rehabilitation provision (note 28)    
2
      
20
      
20
  
Finance cost - Leases (note 12)    
15
      
17
      
–
  
Finance cost - Overdraft    
17
      
307
      
253
  
     
367
      
344
      
273