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Supplemental Cash Flow Information (Details) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Statement of cash flows [abstract]    
Amounts receivable $ (582) $ 3
Prepaid expenses and deposits (242) 100
Accounts payable and accrued liabilities (72) 182
Changes in non-cash working capital $ (896) $ 285