XML 59 R41.htm IDEA: XBRL DOCUMENT v3.8.0.1
Intangible assets (Tables)
12 Months Ended
Dec. 31, 2017
Disclosure of intangible assets [Abstract]  
Disclosure of detailed information about intangible assets [text block]
A breakdown of cost, accumulated amortization, additions, sales and disposals for intangible assets is as follows:
 
Costs:
 
 
 
Balance as of January 1, 2015
 
10,987
 
Additions
 
-
 
Disposals
 
(211)
 
Balance as of December 31, 2015
 
10,776
 
Additions
 
3,111
 
Disposals
 
(4)
 
Balance as of December 31, 2016
 
13,883
 
Additions
 
3,370
 
Disposals
 
(81)
 
Balance as of December 31, 2017
 
17,172
 
 
 
 
 
Accumulated amortization:
 
 
 
Balance as of January 1, 2015
 
9,963
 
Disposals
 
(210)
 
Amortization expense of the year
 
596
 
Balance as of December 31, 2015
 
10,349
 
Disposals
 
(4)
 
Amortization expense of the year
 
629
 
Balance as of December 31, 2016
 
10,974
 
Disposals
 
(65)
 
Amortization expense of the year
 
838
 
Balance as of December 31, 2017
 
11,747
 
 
 
 
 
Carrying amounts as of:
 
 
 
December 31, 2017
 
5,425
 
December 31, 2016
 
2,909
 
December 31, 2015
 
427