Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Share Capital - Schedule of Share Capital (Details)

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Share Capital - Schedule of Share Capital (Details) - CAD ($)
12 Months Ended
Jun. 01, 2017
Oct. 20, 2014
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of classes of share capital [line items]          
Equity     $ 10,689,620 $ 24,674,306 $ 13,819,193
Share capital issued, beginning (shares)     121,258,222    
Share issue costs     $ (1,391,057) (500,163) (753,744)
Equity     $ 8,283,846 $ 10,689,620 24,674,306
Share capital issued ending (shares)     141,805,722 121,258,222  
Share Purchase Agreement          
Disclosure of classes of share capital [line items]          
Issued shares         4,371,687
At-the-market agreement          
Disclosure of classes of share capital [line items]          
Issued shares     $ 2,348,821 $ 1,456,296 $ 20,049,693
Issued (shares)     3,301,500 3,006,600 18,860,454
Gross proceeds from common shares     $ 2,348,821 $ 1,456,296  
Share issue costs     (245,655) (500,163)  
Public Offering          
Disclosure of classes of share capital [line items]          
Issued shares     11,511,500    
Issued (shares) 16,445,000        
Gross proceeds from common shares $ 11,511,500        
Share issue costs $ (1,145,402)        
Shares          
Disclosure of classes of share capital [line items]          
Equity     $ 262,321,825 $ 261,324,692 $ 237,657,056
Share capital issued, beginning (shares)     121,258,222 118,151,622 93,512,494
Issued shares     $ 536,949 $ 41,000  
Issued (shares)   146,397 801,000 100,000  
Share issue costs     $ (1,391,057) $ (500,163) $ (753,744)
Equity     $ 271,710,138 $ 262,321,825 $ 261,324,692
Share capital issued ending (shares)     141,805,722 121,258,222 118,151,622
Shares | Share Purchase Agreement          
Disclosure of classes of share capital [line items]          
Issued shares         $ 4,371,687
Issued (shares)         5,778,674
Shares | At-the-market agreement          
Disclosure of classes of share capital [line items]          
Issued shares     $ 2,348,821   $ 20,049,693
Issued (shares)     3,301,500   18,860,454
Shares | Public Offering          
Disclosure of classes of share capital [line items]          
Issued shares     $ 7,893,600    
Issued (shares)     16,445,000    
Warrants          
Disclosure of classes of share capital [line items]          
Equity     $ 0 $ 0 $ 0
Share capital issued, beginning (shares)     0 0 0
Issued (shares)     16,445,000    
Equity     $ 3,617,900 $ 0 $ 0
Share capital issued ending (shares)     16,445,000 0 0
Warrants | Public Offering          
Disclosure of classes of share capital [line items]          
Issued shares     $ 3,617,900    
Issued (shares)     16,445,000