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Financial Assets at Fair Value Through Other Comprehensive Income (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
IFRS Statement [Line Items]      
Financial assets at fair value through other comprehensive income $ 410 $ 742  
Equity investments [member]      
IFRS Statement [Line Items]      
Financial assets at fair value through other comprehensive income $ 151 $ 32 $ 47