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Note 21 - Assets Held for Sale (Tables)
12 Months Ended
Dec. 31, 2020
Statement Line Items [Line Items]  
Disclosure of non-current assets held for sale [text block]
    Note   2020     2019     January 1, 2019  
Non-current assets held for sale                            
Eagle Vulture, Mascot & Penzance  
21.1
   
500
           
 
Sale of subsidiary  
21.2
   
           
296
 
Disclosure of disposal of assets and liabilities classified as held for sale [text block]
    2019  
       
Carrying amounts of net assets over which control was lost:        
Non-current assets        
Property, plant and equipment    
227
 
         
Current assets        
Trade and other receivables    
84
 
Total assets    
311
 
         
Non-current liabilities        
Rehabilitation provision    
650
 
         
Current liabilities        
Trade and other payables    
8
 
Total liabilities    
658
 
         
Consideration receivable:        
Cash received    
1,000
 
Deferred consideration (at January 31, 2019)    
1,953
 
Total consideration    
2,953
 
         
Profit on sale of subsidiary:        
Net liabilities derecognised    
347
 
Cumulative exchange differences in respect of the net liabilities of the subsidiary reclassified from equity on loss of control of subsidiary    
2,109
 
Fair value consideration receivable (at January 31, 2019)    
2,953
 
Profit on sale of subsidiary    
5,409