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Share Capital, Warrants and Options (Details Narrative)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Apr. 19, 2018
CAD ($)
EquityInstruments
$ / shares
shares
Mar. 31, 2019
CAD ($)
Option
Vote
$ / shares
shares
Mar. 31, 2018
CAD ($)
Option
$ / shares
shares
Dec. 31, 2018
CAD ($)
Option
shares
Issue of Equity [Line items]        
Expected dividend yield   0.00%  
Risk-free interest rate   2.04%  
Expected volatility   96.90%  
Expense from share-based payment transactions on grant of options | $   $ (287)  
Stock Option Plan [Member]        
Issue of Equity [Line items]        
Period of options granted     5 years  
Number of stock option granted | Option   5,725,000 6,425,000
Fair value of options granted | $     $ 287  
Stock options exercisable price per share | $ / shares     $ .12  
Maximum [Member]        
Issue of Equity [Line items]        
Percentage of beneficially owns, issued and outstanding   10.00%    
Period of options granted   10 years    
Contemporary Amperex Technology Limited [Member]        
Issue of Equity [Line items]        
Number of units subscribed | shares       200,000,000
Total purchase price | $       $ 15,000
Beneficially owned of common shares in total | shares       200,000,000
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 in total | shares   369,809,820    
Percentage of beneficially owns, issued and outstanding   46.93%    
Reserve [Member]        
Issue of Equity [Line items]        
Expense from share-based payment transactions on grant of options | $   $ 287 317
Transfer to deficit for expired options and warrants | $     $ 25 229
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]        
Number of shares issued | shares   787,928,500 554,598,167  
Number of shares outstanding | shares   787,928,500 554,598,167  
Common Stock [Member] | Non Brokered Private Placement [Member]        
Issue of Equity [Line items]        
Number of units issued | shares 233,333,333      
Price of unit issued | $ / shares $ 0.075      
Total gross proceeds | $ $ 17,500      
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      
Share issuance costs in cash | $ $ 579      
Share issuance cost in trade payable | $       $ 250
Fair value of warrants issued | $ $ 2,572      
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 1.91%      
Expected volatility 94.26%      
Series 1 Preferred Shares [Member]        
Issue of Equity [Line items]        
Number of shares outstanding | shares   590,931 590,931  
Preferred Stock [Member]        
Issue of Equity [Line items]        
Number of votes per share at meeting of holders of preference shares | Vote   1    
Conversion value of share | $ / shares   $ 1    
Factor by which number of shares on conversion is calculated | $ / shares   $ 0.90