XML 78 R60.htm IDEA: XBRL DOCUMENT v3.22.0.1
Right-of-use assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book value $ 1,424 $ 1,693
Addition 18  
Foreign exchange 6 36
Depreciation (332) (305)
Closing net book value $ 1,116 1,424
Minimum    
Disclosure of quantitative information about right-of-use assets [line items]    
Lease agreement term 3 years  
Maximum    
Disclosure of quantitative information about right-of-use assets [line items]    
Lease agreement term 10 years  
Cost.    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book value $ 1,918  
Closing net book value 1,918 1,918
Accumulated depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book value (494)  
Closing net book value $ (802) $ (494)