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Note 13 - Finance Income and Finance Costs
 12 Months Ended
Dec. 31, 2017
Statement Line Items [Line Items]  
Disclosure of finance income (cost) [text block]
13
Finance income and finance costs
 
Finance income   2017     2016     2015  
                   
Interest received – Bank    
38
      
16
      
1
  
                         
Finance cost                        
                         
Interest paid – Term loan    
155
      
103
      
-
  
Interest paid – Capitalised to Property, plant and equipment (note 15)    
(155
 )    
(103
 )    
-
  
Interest paid - Bank    
-
      
-
      
49
  
Interest paid – South African Revenue Service    
-
      
-
      
344
  
Unwinding of rehabilitation provision    
25
      
25
      
43
  
Finance charges – Overdraft    
44
      
167
      
100
  
     
69
      
192
      
536