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

Share Capital - Schedule of Share Capital Footnotes (Details)

v3.8.0.1
Share Capital - Schedule of Share Capital Footnotes (Details)
12 Months Ended
Jun. 01, 2017
CAD ($)
$ / shares
shares
Oct. 20, 2014
shares
Dec. 31, 2017
CAD ($)
shares
Dec. 31, 2016
CAD ($)
shares
Dec. 31, 2015
CAD ($)
shares
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2014
CAD ($)
shares
Jun. 01, 2017
$ / shares
shares
Feb. 25, 2016
CAD ($)
Dec. 31, 2014
USD ($)
Oct. 24, 2014
USD ($)
Disclosure of classes of share capital [line items]                      
Equity     $ 8,283,846 $ 10,689,620 $ 24,674,306   $ 13,819,193        
Share issue related cost     $ 1,391,057 $ 500,163 $ 753,744            
Number of common shares issuable per warrant | shares 1             1      
Share Purchase Agreement                      
Disclosure of classes of share capital [line items]                      
Share Purchase Agreement                   $ 26,000,000  
Share Purchase Agreement term             30 months        
At-the-market agreement                      
Disclosure of classes of share capital [line items]                      
Share Purchase Agreement                     $ 20,000,000
Issued (shares) | shares     3,301,500 3,006,600 18,860,454 18,860,454          
Proceeds from shares issued under Share Purchase Agreement           $ 15,500,000          
Equity                 $ 4,600,000    
Gross proceeds from common shares     $ 2,348,821 $ 1,456,296              
Share issue related cost     $ 245,655 $ 500,163              
Public Offering                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares 16,445,000                    
Gross proceeds from common shares $ 11,511,500                    
Share issue related cost $ 1,145,402                    
Purchase price (cad per share) | $ / shares $ 0.70                    
Shares                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares   146,397 801,000 100,000              
Future issuance pursuant to Share Purchase Agreement (shares) | shares             292,793        
Equity     $ 271,710,138 $ 262,321,825 $ 261,324,692   $ 237,657,056        
Share issue related cost     $ 1,391,057 500,163 $ 753,744            
Shares | Share Purchase Agreement                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares         5,778,674 5,778,674          
Shares | Initial commitment fee                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares             292,793        
Proceeds from shares issued under Share Purchase Agreement           $ 455,000          
Shares | Amended Share Purchase Agreement                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares         5,778,674 5,778,674          
Proceeds from shares issued under Share Purchase Agreement           $ 3,500,000          
Shares | Amended initial commitment fee                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares         78,674 78,674          
Proceeds from shares issued under Share Purchase Agreement           $ 50,024          
Shares | At-the-market agreement                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares     3,301,500   18,860,454 18,860,454          
Shares | Public Offering                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares     16,445,000                
Warrants                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares     16,445,000                
Equity     $ 3,617,900 $ 0 $ 0   $ 0        
Warrants | Public Offering                      
Disclosure of classes of share capital [line items]                      
Issued (shares) | shares     16,445,000                
Purchase price (cad per share) | $ / shares 0.48                    
Common shares per unit | $ / shares               $ 1      
Common share purchase warrant per unit | $ / shares               $ 1      
Purchase price (cad per share) | $ / shares 0.22                    
Exercise Price     $ 0.95                
Acceleration threshold weighted average price (cad per share) | $ / shares $ 2.50                    
Acceleration threshold weighted average price, trading days 15             15