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Share Capital, Warrants and Options (Details Narrative) |  |  |  |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2020 CAD ($) $ / shares shares | Aug. 13, 2020 CAD ($) $ / shares shares | Dec. 18, 2019 CAD ($) $ / shares shares | Dec. 09, 2019 CAD ($) shares | Oct. 04, 2019 shares | Sep. 30, 2020 CAD ($) Option Int $ / shares shares | Sep. 30, 2019 CAD ($) shares | Dec. 31, 2019 CAD ($) Option shares | Dec. 31, 2018 shares
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Expected dividend yield |  |  |  |  |  | 0.00% |  |  |
Risk-free interest rate |  |  |  |  |  |  |  |  |
Expected volatility |  |  |  |  |  |  |  |  |
Eligible exploration expenditures | $ |  |  |  |  |  | $ 38,806,000 |  | $ 38,633,000 |
Transfer to deficit for expired options and warrants | $ |  |  |  |  |  | $ 2,812,376 | $ 3,538,593 |  |
Stock Option Plan [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Period of options granted |  |  |  |  |  | 5 years |  |  |
Number of stock option granted | Option |  |  |  |  |  | 7,850,000 |  |  |
Stock options exercisable price per share | $ / shares |  |  |  |  |  | $ 0.16 |  |  |
Expense from share-based payment transactions on grant of options | $ |  |  |  |  |  | $ 969,391 |  |  |
Stock Option Plan [Member] | Options One [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Stock options exercisable price per share | $ / shares |  |  |  |  |  | $ 0.16 |  |  |
Number of stock option exercised | Option |  |  |  |  |  | 6,650,000 |  |  |
Stock Option Plan [Member] | Options Two [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Stock options exercisable price per share | $ / shares |  |  |  |  |  | $ 0.09 |  |  |
Number of stock option exercised | Option |  |  |  |  |  | 1,200,000 |  |  |
Sentient Executive GP IV Limited [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Beneficially owned of common shares in total |  |  |  |  |  |  |  | 36,980,982 |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  |  | 41.70% |
Contemporary Amperex Technology Limited [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Beneficially owned of common shares in total |  |  |  |  |  |  |  | 22,944,444 |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  |  | 25.87% |
Post-consolidation Basis [Member] | Stock Option Plan [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of stock option granted | Option |  |  |  |  |  | 7,850,000 |  |  |
Post-consolidation Basis [Member] | Sentient Executive GP IV Limited [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Beneficially owned of common shares in total |  |  |  |  |  |  |  |  | 36,980,982
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  |  |  | 46.93%
Post-consolidation Basis [Member] | Contemporary Amperex Technology Limited [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Beneficially owned of common shares in total |  |  |  |  |  |  |  |  | 20,000,000
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  |  |  | 25.38%
Maximum [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Risk-free interest rate |  |  |  |  |  | 0.39% |  |  |
Expected volatility |  |  |  |  |  | 121.55% |  |  |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  | 10.00% |  |  |
Period of options granted |  |  |  |  |  | 10 years |  |  |
Bottom of range [member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Risk-free interest rate |  |  |  |  |  | 1.21% |  |  |
Expected volatility |  |  |  |  |  | 125.025% |  |  |
Non Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Warrant description | Each warrant will entitle the holder to acquire one common share of the Company within twenty-four (24) months following its issuance date, at a price of $0.09. The warrants are subject to an acceleration clause such that if the closing market price of the common shares on the TSX-V is greater than $0.12 per Common Share for a period of 10 consecutive trading days at any time after the four-month anniversary of the closing of the placement, the Company may, at its option, accelerate the warrant expiry date to within 30 days. |  |  |  |  |  |  |  |
Finder's fee paid in common share purchase warrant | 588,154 |  |  |  |  |  |  |  |
Finder's fee paid in cash | $ | $ 41,171 |  |  |  |  |  |  |  |
Exercise price of warrant | $ / shares | $ 0.09 |  |  |  |  |  |  |  |
Share issuance costs in cash | $ | $ 121,249 |  |  |  |  |  |  |  |
Fair value of warrants issued | $ | $ 734,602 |  |  |  |  |  |  |  |
Expected life | 2 years |  |  |  |  |  |  |  |
Expected dividend yield | 0.00% |  |  |  |  |  |  |  |
Non Brokered Private Placement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Risk-free interest rate | 0.28% |  |  |  |  |  |  |  |
Expected volatility | 158.00% |  |  |  |  |  |  |  |
Non Brokered Private Placement [Member] | Bottom of range [member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Risk-free interest rate | 0.31% |  |  |  |  |  |  |  |
Expected volatility | 158.53% |  |  |  |  |  |  |  |
Non Brokered Private Placement [Member] | First Tranche [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of units issued |  | 15,481,077 |  |  |  |  |  |  |
Price of unit issued | $ / shares |  | $ 0.07 |  |  |  |  |  |  |
Total gross proceeds | $ |  | $ 1,083,675 |  |  |  |  |  |  |
Non Brokered Private Placement [Member] | Second And Final Tranche [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of units issued | 5,661,780 |  |  |  |  |  |  |  |
Price of unit issued | $ / shares | $ 0.07 |  |  |  |  |  |  |  |
Total gross proceeds | $ | $ 396,325 |  |  |  |  |  |  |  |
Series 1 Convertible Preferred Shares [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Authorized capital |  |  |  |  |  | 100,000,000 |  |  |
Par value per share | $ / shares |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of shares issued |  |  |  |  |  | 109,833,648 | 78,792,860 |  |
Number of shares outstanding |  |  |  |  |  | 109,833,648 | 78,792,860 |  |
Share capital | $ |  |  |  |  |  | $ 89,630,000 |  | $ 89,006,000 |
Common Stock [Member] | Post-consolidation Basis [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of shares issued |  |  |  | 300,000 |  |  |  | 88,690,791 | 78,792,850
Number of shares outstanding |  |  |  |  |  |  |  | 88,690,791 | 78,792,850
Fair value of common shares issued | $ |  |  |  | $ 51,000 |  |  |  |  |
Common Stock [Member] | Non-adjusting Events After Reporting Period [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of shares issued |  |  |  |  | 787,928,500 |  |  |  |
Consolidation of share issued and outstanding description |  |  |  |  | The Company completed a share consolidation of the Company's issued and outstanding common shares whereby for every ten (10) pre-consolidation common shares issued and outstanding, one (1) post-consolidation common share exists without par value. Share capital outstanding prior to the share consolidation was 787,928,500 common shares and 78,792,860 on a post-consolidation basis. |  |  |  |
Common Stock [Member] | Non-adjusting Events After Reporting Period [Member] | Post-consolidation Basis [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of shares outstanding |  |  |  |  | 78,792,860 |  |  |  |
Common Stock [Member] | Non Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of units issued |  |  | 7,373,265 |  |  |  |  |  |
Price of unit issued | $ / shares |  |  | $ 0.18 |  |  |  |  |  |
Exercise price of warrant | $ / shares |  |  | $ 0.25 |  |  |  |  |  |
Share issuance costs in cash | $ |  |  | $ 343,639 |  |  |  |  |  |
Fair value of warrants issued | $ |  |  | $ 265,217 |  |  |  |  |  |
Number of flow-through common shares |  |  | 2,224,666 |  |  |  |  |  |
Flow-through common shares price | $ / shares |  |  | $ 0.18 |  |  |  |  |  |
Number of common shares in unit |  |  | 1 |  |  |  |  |  |
Flow-through share premium paid | $ |  |  | $ 88,987 |  |  |  |  |  |
Share capital | $ |  |  | 311,453 |  |  |  |  |  |
Eligible exploration expenditures | $ |  |  |  |  |  |  |  |  |
Common Stock [Member] | Non Brokered Private Placement [Member] | Agent's Warrants [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Fair value of warrants issued | $ |  |  | $ 21,445 |  |  |  |  |  |
Common Stock [Member] | Non Brokered Private Placement [Member] | Warrants [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Expected life |  |  | 2 years |  |  |  |  |  |
Expected dividend yield |  |  | 0.00% |  |  |  |  |  |
Risk-free interest rate |  |  | 1.73% |  |  |  |  |  |
Expected volatility |  |  | 147.26% |  |  |  |  |  |
Series 1 Preferred Shares [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Number of shares outstanding |  |  |  |  |  | 590,931 | 590,931 |  |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |
Share capital | $ |  |  |  |  |  | $ 591,000 |  | $ 591,000 |
Conversion value of share | $ / shares |  |  |  |  |  | $ 1 |  |  |
Factor by which number of shares on conversion is calculated | $ / shares |  |  |  |  |  | $ 9.00 |  |  |
Number of votes per share at meeting of holders of preference shares | Int |  |  |  |  |  | 1 |  |  |
Period from date of issuance when shares become convertible |  |  |  |  |  | 6 months |  |  |
Period of notice to convert shares |  |  |  |  |  | 10 days |  |  |

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