XML 154 R60.htm IDEA: XBRL DOCUMENT v3.20.1
Note 20 - Costs of Sales (Tables)
 12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Costs of Sales [Table Text Block]
    2019   2018   2017
Direct costs of sales    
(14,919
 )    
(13,683
 )    
(12,706
 )
Indirect costs of sales    
(8,990
 )    
(8,583
 )    
(8,232
 )
Total costs of sales    
(23,909
 )    
(22,266
 )    
(20,938
 )