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Other receivables - Schedule of other receivables (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Trade and other current payables [abstract]    
Sales tax recoverable $ 272,212 $ 134,717
ITC Receivable 228,752 0
Other 0 26,625
Total trade and other receivables $ 500,964 $ 161,342