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Note 10 - Other Income (Tables)
 12 Months Ended
Dec. 31, 2020
Statement Line Items [Line Items]  
Disclosure of other operating income components [text block]
    2020     2019     2018  
                   
Government grant – Gold sale export credit incentive    
4,695
      
866
      
6,482
  
Government grant – Gold support price    
-
      
1,064
      
-
  
Other    
70
      
94
      
39
  
Greenstone Retirement Fund pay-out    
-
      
250
      
-
  
Greenstone Provident Fund pay-out    
-
      
-
      
363
  
Eersteling rock dump sale    
-
      
-
      
217
  
     
4,765
      
2,274
      
7,101
  
Disclosure of ECI applicable and percentages applied [text block]
ECI applicable periods
Percentage
May 1, 2016 – December 31, 2017
3.5%
January 1, 2018 – January 31, 2018
2.5%
February 1, 2018 – February 20, 2019
10%
February 21, 2019 – March 9, 2020
0%
March 10, 2020 – June 26, 2020
25%