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Supplemental Cash Flow Information (Details)
$ in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CAD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
CAD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2021
CAD ($)
Supplemental Cash Flow Information (Details)            
Amounts receivable $ (93)   $ 141 $ 14 $ 396  
Prepaid expenses and deposits   $ 231 191 183   $ (13)
Accounts payable and accrued liabilities   612 (333) (11)   (50)
Changes in non-cash working capital   $ 750 $ (1) $ 186   $ 333