XML 90 R67.htm IDEA: XBRL DOCUMENT v3.23.1
Trade receivables (Tables)
12 Months Ended
Dec. 31, 2022
Trade receivables.  
Schedule of Trade Receivables

​

​

​

​

​

​

Amounts in US$ '000

​

2022

​

2021

Trade receivables

​

71,794

​

70,531

​

​

71,794

​

70,531

​