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SUPPLEMENTAL CASH FLOW INFORMATION (Schedule of changes in working capital) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Supplemental Cashflow Information [abstract]    
Trade and other receivables $ 7,315 $ (16,897)
Prepaid expenses (1,643) (2,149)
Inventories (20,415) (23,824)
Trade and other payables (3,278) 3,556
Increase (decrease) in working capital $ (18,021) $ (39,314)