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Share Capital, Warrants and Options (Details Narrative) $ in Thousands |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 28, 2018 $ / shares shares | Apr. 19, 2018 CAD ($) EquityInstruments shares | Aug. 15, 2017 CAD ($) shares | Jun. 08, 2017 CAD ($) EquityInstruments Vote shares | Sep. 30, 2018 CAD ($) | Sep. 30, 2017 CAD ($) shares | Sep. 30, 2018 CAD ($) EquityInstruments Option Vote shares | Sep. 30, 2018 $ / shares shares | Sep. 30, 2017 CAD ($) Option shares | Sep. 30, 2017 $ / shares shares | Dec. 31, 2017 CAD ($) EquityInstruments Option | Apr. 19, 2018 $ / shares | Aug. 15, 2017 $ / shares | Jun. 08, 2017 $ / shares
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance |  |  |  |  |  |  | $ 17,500 |  | $ 13,951 |  |  |  |  |
Expected dividend yield |  |  |  |  |  |  | 0.00% |  | 0.00% |  |  |  |  |
Risk-free interest rate |  |  |  |  |  |  |  |  | 1.17% |  |  |  |  |
Expected volatility |  |  |  |  |  |  |  |  | 100.60% |  |  |  |  |
Number of warrants issued | EquityInstruments |  |  |  |  |  |  | 116,666,664 |  |  |  | 94,971,721 |  |  |
Volume-weighted average trading price of common shares on TSX-V triggering acceleration clause | $ / shares |  |  |  |  |  |  |  | $ 0.18 |  |  |  |  |  |
Period of consecutive trading days for which volume-weighted average trading price of common shares on TSX-V needs to exceed triggering level |  |  |  |  |  |  | 10 days |  |  |  |  |  |  |
Period of acceleration of warrant expiry date when triggering condition is met |  |  |  |  |  |  | 30 days |  |  |  |  |  |  |
Number of common shares to purchase warrants | shares | 46,334,451 |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants exercisable for common shares, price per share | $ / shares | $ 0.12 |  |  |  |  |  |  |  |  |  |  |  |  |
Expense from share-based payment transactions on grant of options |  |  |  |  |  |  | $ 317 |  | $ 451 |  |  |  |  |
Reserve [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expense from share-based payment transactions on grant of options |  |  |  |  |  |  | 317 |  | 451 |  | $ 504 |  |  |
Transfer to deficit for expired options and warrants |  |  |  |  |  |  | $ 229 |  | $ 255 |  | $ 301 |  |  |
Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock option granted | Option |  |  |  |  |  |  | 6,425,000 |  | 8,137,500 |  | 9,137,500 |  |  |
Stock options exercised | $ / shares |  |  |  |  |  |  |  | $ 0.12 |  | $ 0.12 |  |  |  |
Expense from share-based payment transactions on grant of options |  |  |  |  |  |  |  |  | $ 451 |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk-free interest rate |  |  |  |  |  |  | 2.17% |  |  |  |  |  |  |
Expected volatility |  |  |  |  |  |  | 101.00% |  |  |  |  |  |  |
Term of options granted |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |
Maximum [Member] | Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of options granted |  |  |  |  |  |  | 5 years |  | 5 years |  |  |  |  |
Contemporary Amperex Technology Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units subscribed | shares |  |  |  |  |  |  | 200,000,000 |  |  |  |  |  |  |
Total purchase price |  |  |  |  |  |  | $ 15,000 |  |  |  |  |  |  |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  | 25.38% |  |  |  |  |  |  |
Sentient Executive GP IV Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units subscribed | shares |  |  |  |  |  |  | 13,333,333 |  |  |  |  |  |  |
Total purchase price |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |
Beneficially owned of common shares | shares |  |  |  |  |  |  | 369,809,820 |  |  |  |  |  |  |
Percentage of beneficially owns, issued and outstanding |  |  |  |  |  |  | 46.93% |  |  |  |  |  |  |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized capital | shares |  |  |  |  |  |  |  | 100,000,000 |  |  |  |  |  |
Par value per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding | shares |  |  |  |  |  | 590,931 |  | 590,931 | 590,931 | 590,931 |  |  |  |
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 |  |  |  |  |  |  |  | $ 0.90 |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued | shares |  |  |  |  |  | 554,595,167 |  | 787,928,500 | 554,595,167 | 554,595,167 |  |  |  |
Number of shares outstanding | shares |  |  |  |  |  | 554,595,167 |  | 787,928,500 | 554,595,167 | 554,595,167 |  |  |  |
Common Stock [Member] | Non Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units issued | shares |  | 233,333,333 | 40,982,448 |  |  |  |  |  |  |  |  |  |  |
Price of unit issued | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.075 | $ 0.075 |
Total gross proceeds |  | $ 17,500 | $ 3,074 |  |  |  |  |  |  |  |  |  |  |
Number of common shares in unit | shares |  | 1 | 1 |  |  |  |  |  |  |  |  |  |  |
Number of common share purchase warrants in unit | EquityInstruments |  | 0.5 |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrant | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.12 | $ 0.12 |
Payments for share issuance costs |  | $ 574 |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance |  | 16,926 | $ 3,058 |  |  |  |  |  |  |  |  |  |  |
Fair value of warrants issued |  | $ 2,572 | $ 519 |  |  |  |  |  |  |  |  |  |  |
Number of common shares to be acquired through exercise of warrant | shares |  |  | 1 |  |  |  |  |  |  |  |  |  |  |
Direct financing costs |  |  | $ 16 |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] | Non Brokered Private Placement [Member] | Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected life |  | 2 years | 2 years |  |  |  |  |  |  |  |  |  |  |
Expected dividend yield |  | 0.00% | 0.00% |  |  |  |  |  |  |  |  |  |  |
Risk-free interest rate |  | 1.91% | 1.23% |  |  |  |  |  |  |  |  |  |  |
Expected volatility |  | 94.26% | 98.64% |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] | Brokered Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units issued | shares |  |  |  | 145,030,833 |  |  |  |  |  |  |  |  |  |
Price of unit issued | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.075
Total gross proceeds |  |  |  | $ 10,877 |  |  |  |  |  |  |  |  |  |
Number of common shares in unit | shares |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
Number of common share purchase warrants in unit | EquityInstruments |  |  |  | 0.5 |  |  |  |  |  |  |  |  |  |
Exercise price of warrant | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.12
Payments for share issuance costs |  |  |  | $ 533 |  |  |  |  |  |  |  |  |  |
Fair value of warrants issued |  |  |  | $ 1,500 |  |  |  |  |  |  |  |  |  |
Number of common shares to be acquired through exercise of warrant | shares |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
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] | Agent S Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of Equity [Line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrant | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.075
Fair value of warrants issued |  |  |  | $ 61 |  |  |  |  |  |  |  |  |  |
Number of warrants issued | Vote |  |  |  | 1,965,093 |  |  |  |  |  |  |  |  |  |
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 |  |  |  | $ 39 |  |  |  |  |  |  |  |  |  |
Period of options granted |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |

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