v3.26.3
Details of Significant Accounts - Leasing arrangements, schedule of movements of right-of-use assets (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount $ 659  
Additions 235  
Depreciation expense (269) $ (280)
Closing net book amount 625  
Cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount 1,903  
Disposals (262)  
Closing net book amount 1,876  
Accumulated depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount (1,244)  
Disposals 262  
Closing net book amount (1,251)  
Buildings    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount 546  
Additions 235  
Depreciation expense (216)  
Closing net book amount 565  
Buildings | Cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount 1,644  
Disposals (194)  
Closing net book amount 1,685  
Buildings | Accumulated depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount (1,098)  
Disposals 194  
Closing net book amount (1,120)  
Business vehicles    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount 113  
Additions 0  
Depreciation expense (53)  
Closing net book amount 60  
Business vehicles | Cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount 259  
Disposals (68)  
Closing net book amount 191  
Business vehicles | Accumulated depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Opening net book amount (146)  
Disposals 68  
Closing net book amount $ (131)