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Note 17 - Trade Receivables, Net
12 Months Ended
Dec. 31, 2019
Statement Line Items [Line Items]  
Disclosure of trade and other receivables [text block]
17
Trade receivables, net
    Year ended December 31,
    2019   2018
Current accounts    
1,387,494
     
1,778,796
 
Receivables from related parties    
9,448
     
25,105
 
     
1,396,942
     
1,803,901
 
Allowance for doubtful accounts (see Note 23 (i))    
(48,782
)    
(66,535
)
     
1,348,160
     
1,737,366
 
 
The following table sets forth details of the aging of trade receivables: 
 
     
 
 
 
 
 
 
Past due
 
 
 
 
Trade Receivables
 
 
 
Not Due
 
 
 
 
1 - 180 days
 
 
 
>180 days
 
At December 31, 2019                                
Guaranteed    
234,427
     
205,764
     
26,899
     
1,764
 
Not guaranteed    
1,162,515
     
948,449
     
157,960
     
56,106
 
Guaranteed and not guaranteed    
1,396,942
     
1,154,213
     
184,859
     
57,870
 
Expected loss rate    
0.09
%    
0.04
%    
0.24
%    
0.57
%
Allowances for doubtful accounts    
(1,294
)    
(529
)    
(455
)    
(310
)
Nominative allowances for doubtful accounts    
(47,488
)    
-
     
(1,922
)    
(45,566
)
Net Value    
1,348,160
     
1,153,684
     
182,482
     
11,994
 
 
 
 
 
 
 
 
 
 
 
 
Past due
 
 
 
 
Trade Receivables
 
 
 
Not Due
 
 
 
1 - 180 days
 
 
 
>180 days
 
At December 31, 2018                                
Guaranteed    
286,250
     
254,743
     
30,884
     
623
 
Not guaranteed    
1,517,651
     
1,180,788
     
260,675
     
76,188
 
Guaranteed and not guaranteed    
1,803,901
     
1,435,531
     
291,559
     
76,811
 
Expected loss rate    
0.07
%    
0.04
%    
0.17
%    
0.43
%
Allowances for doubtful accounts    
(1,396
)    
(564
)    
(510
)    
(322
)
Nominative allowances for doubtful accounts    
(65,139
)    
-
     
(1,436
)    
(63,703
)
Net Value    
1,737,366
     
1,434,967
     
289,613
     
12,786
 
 
Trade receivables are mainly denominated in
U.S. dollars.