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Share Capital, Warrants and Options - Schedule of Number and Weighted Average Exercise Prices of Warrants (Details)
 3 Months Ended 12 Months Ended
Mar. 31, 2021
shares
EquityInstruments
$ / shares
Dec. 31, 2020
shares
$ / shares
Statement Line Items [Line Items]    
Outstanding at end of the period | EquityInstruments 19,437,523  
Post-consolidation Basis [Member]    
Statement Line Items [Line Items]    
Outstanding at beginning of the period | shares 25,715,742 15,651,397
Issued | shares 21,731,011
Exercised | shares (6,278,219)
Cancelled / expired | shares (11,666,666)
Outstanding at end of the period | shares 19,437,523 25,715,742
Weighted Average Exercise Price, Outstanding at beginning of year | $ / shares $ 0.11 $ 0.96
Weighted Average Exercise Price, Issued | $ / shares 0.09
Weighted Average Exercise Price, Exercised | $ / shares 0.11
Weighted Average Exercise Price, Cancelled / expired | $ / shares 1.20
Weighted Average Exercise Price, Outstanding at end of year | $ / shares $ 0.12 $ 0.11