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Note 33 - Related Parties (Tables)
12 Months Ended
Dec. 31, 2018
Statement Line Items [Line Items]  
Disclosure of information about key management personnel [text block]
    2018     2017     2016  
Key management salaries and bonuses    
2,476
     
2,041
     
2,033
 
Cash-settled share-based expense
*
   
261
     
1,164
     
788
 
     
2,737
     
3,205
     
2,821