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Amounts Receivable
 12 Months Ended
Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract]  
Amounts Receivable Amounts Receivable
Amounts receivable comprised the following:
December 31, 2020December 31, 2019
$$
Trade receivables842 — 
Interest receivable— 140 
Sales taxes receivable507 — 
1,349 140