XML 123 R91.htm IDEA: XBRL DOCUMENT v3.22.1
Intangible assets, net - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Cost $ 15,244 $ 14,639
Amortization (6,945) (5,782)
Net book value 8,299 8,857
Land use rights    
Finite-Lived Intangible Assets [Line Items]    
Cost 5,218 5,099
Amortization (1,461) (1,258)
Net book value 3,757 3,841
Acquired computer software    
Finite-Lived Intangible Assets [Line Items]    
Cost 3,875 3,530
Amortization (3,053) (2,853)
Net book value 822 677
Audio-visual license    
Finite-Lived Intangible Assets [Line Items]    
Cost 6,151 6,010
Amortization (2,431) (1,671)
Net book value $ 3,720 $ 4,339