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Other receivables - Schedule of other receivables (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Trade and other current payables [abstract]    
Sales tax recoverable $ 279,333 $ 272,212
ITC Receivable 0 228,752
Interest receivable 95,044 0
Total trade and other receivables $ 374,377 $ 500,964