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

Share Based Payments - Schedule of Stock Options Outstanding and Exercisable by Range of Exercise Price (Details)

v3.8.0.1
Share Based Payments - Schedule of Stock Options Outstanding and Exercisable by Range of Exercise Price (Details)
Dec. 31, 2017
year
Dec. 31, 2017
shares
Dec. 31, 2017
CAD ($)
Dec. 31, 2017
Dec. 31, 2016
CAD ($)
shares
Dec. 31, 2015
CAD ($)
shares
Dec. 31, 2014
CAD ($)
shares
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]              
Number Outstanding (options) | shares   6,148,667     8,674,227 8,561,394 5,446,394
Weighted Average Remaining Contractual Life (years) | year 7.09            
Weighted Average Exercise Price (cad per share)     $ 1.39   $ 1.83 $ 2.17 $ 3.19
Number Exercisable (options)   5,453,501   5,453,501 6,729,643 6,476,394  
Weighted Average Exercise Price (cad per share)     1.51   $ 2.27 $ 2.73  
$0.26 - $0.42              
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]              
Number Outstanding (options) | shares   3,437,000          
Weighted Average Remaining Contractual Life (years) | year 8.46            
Weighted Average Exercise Price (cad per share)     0.35        
Number Exercisable (options)       2,921,834      
Weighted Average Exercise Price (cad per share)     0.35        
$0.26 - $0.42 | Minimum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     0.26        
$0.26 - $0.42 | Maximum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     0.42        
$0.51 - $0.80              
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]              
Number Outstanding (options) | shares   538,000          
Weighted Average Remaining Contractual Life (years) | year 8.22            
Weighted Average Exercise Price (cad per share)     0.64        
Number Exercisable (options)       358,000      
Weighted Average Exercise Price (cad per share)     0.70        
$0.51 - $0.80 | Minimum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     0.51        
$0.51 - $0.80 | Maximum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     0.8        
$1.45 - $2.00              
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]              
Number Outstanding (options) | shares   1,002,667          
Weighted Average Remaining Contractual Life (years) | year 5.62            
Weighted Average Exercise Price (cad per share)     1.77        
Number Exercisable (options)       1,002,667      
Weighted Average Exercise Price (cad per share)     1.77        
$1.45 - $2.00 | Minimum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     1.45        
$1.45 - $2.00 | Maximum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     2.00        
$2.13 - $3.89              
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]              
Number Outstanding (options) | shares   545,500          
Weighted Average Remaining Contractual Life (years) | year 3.74            
Weighted Average Exercise Price (cad per share)     3.42        
Number Exercisable (options)       545,500      
Weighted Average Exercise Price (cad per share)     3.42        
$2.13 - $3.89 | Minimum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     2.13        
$2.13 - $3.89 | Maximum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     3.89        
$4.01 - $6.72              
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]              
Number Outstanding (options) | shares   625,500          
Weighted Average Remaining Contractual Life (years) | year 3.94            
Weighted Average Exercise Price (cad per share)     5.34        
Number Exercisable (options)       625,500      
Weighted Average Exercise Price (cad per share)     5.34        
$4.01 - $6.72 | Minimum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     4.01        
$4.01 - $6.72 | Maximum              
Disclosure of range of exercise prices of outstanding share options [line items]              
Exercise Price     $ 6.72