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Long-term loan - Disclosure of detailed information about borrowings (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about borrowings [abstract]      
Current portion of long-term loan $ 5,156 $ 857  
Long-term loan 10,244 14,261  
Total Long-term loan $ 15,400 $ 15,118 $ 14,818