XML 97 R79.htm IDEA: XBRL DOCUMENT v3.19.1
SHARE CAPITAL - Stock options (Details)
12 Months Ended
Jun. 04, 2018
Dec. 31, 2018
CAD ($)
Options
Y
Dec. 31, 2017
CAD ($)
Options
Y
Dec. 31, 2016
CAD ($)
Options
Y
Mar. 19, 2019
USD ($)
Feb. 19, 2019
USD ($)
Stock options            
Options available for grant, as a percent to outstanding shares 15.00%          
Number of options outstanding | Options   57,739 78,650 81,282    
Number of options granted | Options   3,660,530 18,445 1,697    
Number of options exercised | Options   (499) (21,740) (1,013)    
Number of options forfeited | Options   (12,027) (17,616) (3,316)    
Number of options expired | Options   (8,091)        
Number of options outstanding | Options   3,697,652 57,739 78,650    
Number of options exercisable | Options   1,462,535 45,134 67,978    
Weighted average exercise price of share options outstanding at beginning of year   $ 384.90 $ 290.85 $ 293.06    
Weighted average exercise price of share options granted   3.03 150.81 364.77    
Weighted average exercise price of share options exercised   0.73 82.36 74.14    
Weighted average exercise price of share options forfeited   173.69 183.06 449.11    
Weighted average exercise price of share options expired   181.13        
Weighted average exercise price of share options outstanding at end of year   7.58 384.90 290.85    
Weighted average exercise price of share options exercisable   $ 12.74 $ 397.66 $ 252.95    
Average remaining contractual life of outstanding share options (in years) | Y   7.88 2.28 1.77    
Average remaining contractual life of exercisable share options (in years)   7 years 7 months 13 days 1 year 11 months 9 days 1 year 6 months 15 days    
Stock options            
Stock options            
Maximum life of options   10 years        
Number of options exercisable           3,682,469
Weighted average exercise price of share options exercisable         $ 7.70