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Share Capital, Warrants and Options (Details Narrative) |  |  |  |  |  |  | 12 Months Ended |
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Dec. 18, 2019 CAD ($) EquityInstruments $ / shares shares | Dec. 09, 2019 CAD ($) shares | Oct. 04, 2019 $ / shares shares | Apr. 19, 2018 CAD ($) EquityInstruments $ / shares shares | Aug. 15, 2017 CAD ($) EquityInstruments $ / shares shares | Jun. 08, 2017 CAD ($) EquityInstruments $ / shares shares | Dec. 31, 2019 CAD ($) EquityInstruments Option Vote $ / shares shares | Dec. 31, 2018 CAD ($) Option $ / shares shares | Dec. 31, 2017 CAD ($) Option $ / shares shares | Jan. 02, 2020 $ / shares
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Par value per share | $ / shares |  |  | $ 1 |  |  |  |  |  |  |
Number of shares issued | shares |  |  | 10 |  |  |  |  |  |  |
Number of shares outstanding | shares |  |  | 10 |  |  |  |  |  |  |
Fair value of common sharess issued |  |  |  |  |  |  |  |  | $ 10,877,000 |
Expected dividend yield |  |  |  |  |  |  |  |  |  |
Risk-free interest rate |  |  |  |  |  |  |  |  |  |
Expected volatility |  |  |  |  |  |  |  |  |  |
Eligible exploration expenditures |  |  |  |  |  |  | $ 38,633,000 | $ 64,479,000 |  |
Net proceeds from issuance |  |  |  |  |  |  | 1,728,000 | 17,500,000 | $ 13,951,000 |
Reserve [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Fair value of common sharess issued |  |  |  |  |  |  |  |  |  |
Transfer to deficit for expired options and warrants |  |  |  |  |  |  | $ 3,860,656 | $ 229,381 | $ 301,374 |
Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Period of options granted |  |  |  |  |  |  |  | 5 years | 5 years |
Number of stock option granted | Option |  |  |  |  |  |  |  | 6,425,000 | 9,137,500 |
Stock options exercisable price per share | $ / shares |  |  |  |  |  |  |  | $ 0.12 | $ 0.12 |
Expense from share-based payment transactions on grant of options |  |  |  |  |  |  |  | $ 317,332 | $ 504,397 |
Maximum [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Risk-free interest rate |  |  |  |  |  |  |  | 2.17% | 1.80% |
Expected volatility |  |  |  |  |  |  |  | 101.00% | 100.60% |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  | 10.00% |  |  |
Period of options granted |  |  |  |  |  |  | 10 years |  |  |
Sentient Executive GP IV Limited [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Beneficially owned of common shares in total | shares |  |  |  |  |  |  | 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 | shares |  |  |  |  |  |  | 22,944,444 |  |  |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  | 25.87% |  |  |
Post-consolidation Basis [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of warrants issued |  |  |  |  |  |  | 3,984,731 | 11,666,666 | 9,497,172 |
Post-consolidation Basis [Member] | Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of stock option granted | Option |  |  |  |  |  |  |  | 642,500 | 913,750 |
Stock options exercisable price per share | $ / shares |  |  |  |  |  |  |  | $ 1.20 | $ 1.20 |
Post-consolidation Basis [Member] | Sentient Executive GP IV Limited [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Beneficially owned of common shares in total | shares |  |  |  |  |  |  |  | 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 | shares |  |  |  |  |  |  |  | 20,000,000 |  |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  |  | 25.38% |  |
Non-adjusting Events After Reporting Period [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Par value per share | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.02
Series 1 Convertible Preferred Shares [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Authorized capital | shares |  |  |  |  |  |  | 100,000,000 |  |  |
Par value per share | $ / shares |  |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  | $ 89,006,000 | $ 87,947,000 |  |
Common Stock [Member] | Agent's Warrants [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Fair value of warrants issued |  |  |  |  |  | $ 61,682 |  |  |  |
Common Stock [Member] | Non Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of units issued | shares | 7,373,265 |  |  | 233,333,333 |  |  |  |  |  |
Price of unit issued | $ / shares | $ 0.18 |  |  | $ 0.075 |  |  |  |  |  |
Number of flow-through common shares | shares | 2,224,666 |  |  |  |  |  |  |  |  |
Flow-through common shares price | $ / shares | $ 0.18 |  |  |  |  |  |  |  |  |
Total gross proceeds | $ 1,727,628 |  |  | $ 17,500,000 | $ 3,073,684 |  |  |  |  |
Number of common shares in unit | shares | 1 |  |  | 1 |  |  |  |  |  |
Number of common share purchase warrants in unit | EquityInstruments | 0.5 |  |  | 0.5 |  |  |  |  |  |
Exercise price of warrant | $ / shares | $ 0.25 |  |  | $ 0.12 |  |  |  |  |  |
Share issuance costs in cash | $ 343,639 |  |  | $ 578,800 |  |  |  |  |  |
Fair value of warrants issued | 265,217 |  |  | $ 2,571,514 | 518,631 |  |  |  |  |
Flow-through share premium paid | 88,987 |  |  |  |  |  |  |  |  |
Share capital | 311,453 |  |  |  |  |  |  |  |  |
Eligible exploration expenditures |  |  |  |  |  |  |  |  |  |
Share issuance cost in trade payable |  |  |  |  |  |  |  | $ 250,000 |  |
Direct financing costs |  |  |  |  | 16,426 |  |  |  |  |
Net proceeds from issuance |  |  |  |  | $ 3,057,259 |  |  |  |  |
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 |  |  | 2 years | 2 years |  |  |  |  |
Expected dividend yield | 0.00% |  |  | 0.00% | 0.00% |  |  |  |  |
Risk-free interest rate | 1.73% |  |  | 1.91% | 1.23% |  |  |  |  |
Expected volatility | 147.26% |  |  | 94.26% | 98.64% |  |  |  |  |
Common Stock [Member] | Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Total gross proceeds |  |  |  |  |  | 10,877,317 |  |  |  |
Share issuance costs in cash |  |  |  |  |  | 533,727 |  |  |  |
Fair value of warrants issued |  |  |  |  |  | $ 1,499,662 |  |  |  |
Common Stock [Member] | Brokered Private Placement [Member] | Warrants [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Expected life |  |  |  |  |  | 2 years |  |  |  |
Expected dividend yield |  |  |  |  |  | 0.00% |  |  |  |
Risk-free interest rate |  |  |  |  |  | 0.71% |  |  |  |
Expected volatility |  |  |  |  |  | 98.60% |  |  |  |
Common Stock [Member] | Overallotment Options [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Expected dividend yield |  |  |  |  |  | 0.00% |  |  |  |
Risk-free interest rate |  |  |  |  |  | 0.71% |  |  |  |
Expected volatility |  |  |  |  |  | 66.60% |  |  |  |
Fair value of options granted |  |  |  |  |  | $ 38,166 |  |  |  |
Period of options granted |  |  |  |  |  | 30 days |  |  |  |
Common Stock [Member] | Post-consolidation Basis [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of shares issued | shares |  | 300,000 |  |  |  |  | 88,690,791 | 78,792,850 |  |
Number of shares outstanding | shares |  |  |  |  |  |  | 88,690,791 | 78,792,850 |  |
Fair value of common sharess issued |  | $ 51,000 |  |  |  |  |  |  |  |
Common Stock [Member] | Post-consolidation Basis [Member] | Non Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of units issued | shares |  |  |  | 23,333,333 | 4,098,255 |  |  |  |  |
Price of unit issued | $ / shares |  |  |  | $ 0.75 | $ 0.75 |  |  |  |  |
Number of common shares in unit | shares |  |  |  |  | 1 |  |  |  |  |
Number of common share purchase warrants in unit | EquityInstruments |  |  |  |  | 0.5 |  |  |  |  |
Exercise price of warrant | $ / shares |  |  |  | $ 1.20 | $ 1.20 |  |  |  |  |
Common Stock [Member] | Post-consolidation Basis [Member] | Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of units issued | shares |  |  |  |  |  | 14,503,083 |  |  |  |
Price of unit issued | $ / shares |  |  |  |  |  | $ 0.75 |  |  |  |
Number of common shares in unit | shares |  |  |  |  |  | 1 |  |  |  |
Number of common share purchase warrants in unit | EquityInstruments |  |  |  |  |  | 0.5 |  |  |  |
Exercise price of warrant | $ / shares |  |  |  |  |  | $ 1.20 |  |  |  |
Common Stock [Member] | Post-consolidation Basis [Member] | Brokered Private Placement [Member] | Agent's Warrants [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Exercise price of warrant | $ / shares |  |  |  |  |  | $ 0.75 |  |  |  |
Number of warrants issued | EquityInstruments |  |  |  |  |  | 196,509 |  |  |  |
Common Stock [Member] | Non-adjusting Events After Reporting Period [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
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. |  |  |  |  |  |  |
Number of shares issued | shares |  |  | 787,928,500 |  |  |  |  |  |  |
Common Stock [Member] | Non-adjusting Events After Reporting Period [Member] | Post-consolidation Basis [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of shares outstanding | shares |  |  | 78,792,850 |  |  |  |  |  |  |
Series 1 Preferred Shares [Member] | Post-consolidation Basis [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Number of shares outstanding | shares |  |  |  |  |  |  | 590,931 | 590,931 | 590,931 |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  | $ 591,000 | $ 591,000 |  |
Number of votes per share at meeting of holders of preference shares | Vote |  |  |  |  |  |  | 1 |  |  |
Period from date of issuance when shares become convertible |  |  |  |  |  |  | 6 months |  |  |
Period of notice to convert shares |  |  |  |  |  |  | 10 days |  |  |
Conversion value of share | $ / shares |  |  |  |  |  |  | $ 1 |  |  |
Factor by which number of shares on conversion is calculated | $ / shares |  |  |  |  |  |  | $ 9.00 |  |  |

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