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Trade Payables and Accrued Liabilities (Tables)
 3 Months Ended
Mar. 31, 2021
Trade and other current payables [abstract]  
Summary of Trade Payables and Accrued Liabilities
(All amounts in table are expressed in thousands of Canadian dollars)   March 31, 2021     December 31, 2020  
Trade payables     400       290  
Amounts due to related parties (Note 9)     104       28  
Accrued liabilities     23       44  
      527       362