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Share-based Payments (Tables)
12 Months Ended
Dec. 31, 2021
Share Based Payment Arrangements [Abstract]  
Stock options outstanding and exercisable
The following tables summarize information about the stock options outstanding and exercisable at the dates indicated:
 
  
  
2021
 
  
2020
 
  (000s)
  
Number of Options
 
 
Weighted-Average
Exercise Price ($C)
 
  
Number of Options
 
 
Weighted-Average
Exercise Price ($C)
 
  Options outstanding, beginning of year
  
 
4,589
 
 
 
2.16
 
  
 
4,481
 
 
 
2.86
 
      Granted
  
 
402
 
 
 
2.16
 
  
 
819
 
 
 
0.79
 
      Exercise
d

 
 
 
(906
)

 
 
 
2.34
 
 
 
-
 
 
 
-
 
      Expired
  
 
(1,002
 
 
2.19
 
  
 
(711
 
 
4.99
 
                                   
  Options outstanding, end of year
  
 
3,083
 
 
 
2.10
 
  
 
4,589
 
 
 
2.16
 
                                   
  Options exercisable, end of year
  
 
1,810
 
 
 
2.35
 
  
 
2,797
 
 
 
2.35
 
                                   
Range of exercise prices of outstanding share options
 
  
  
Options Outstanding
 
  
Options Exercisable
 
  Exercise Price
  (C$)
  
Number
Outstanding at
Dec. 31, 2021
(000s)
 
  
Weighted-
Average
Remaining
Contractual
Life (Years)
 
  
Weighted-
Average
Exercise price
(C$)
 
  
Number
Exercisable at
Dec. 31, 2021
(000s)
 
  
Weighted-
Average
Remaining
Contractual
Life (Years)
 
  
Weighted-
Average
Exercise price
(C$)
 
  0.79 - 1.48
  
 
819
 
  
 
3.4
 
  
 
0.79
 
  
 
273
 
  
 
3.4
 
  
 
0.79
 
  1.49 - 2.39
  
 
684
 
  
 
2.6
 
  
 
2.16
 
  
 
282
 
  
 
0.4
 
  
 
2.16
 
  2.4
0
 - 2.73
  
 
604
 
  
 
1.4
 
  
 
2.62
 
  
 
604
 
  
 
1.4
 
  
 
2.62
 
  2.74 - 2.83
  
 
976
 
  
 
2.2
 
  
 
2.83
 
  
 
651
 
  
 
2.2
 
  
 
2.83
 
                                                       
    
 
3,083
 
  
 
2.5
 
  
 
2.10
 
  
 
1,810
 
  
 
1.8
 
  
 
2.35
 
                                                       
Measurement of fair value of share options granted
The weighted average fair value of options granted during the period and the assumptions used in their determination are noted below:
 
     
2021
   
2020
 
  Weighted average fair market value per option (C$)
  
 
0.83
 
 
 
0.29
 
  Risk free interest rate
  
 
1.00
 
 
0.37
  Expected volatility (based on actual historical volatility)
  
 
61.48
 
 
58.36
  Dividend rate
  
 
-
 
 
 
-
 
  Suboptimal exercise factor
  
 
1.25
 
 
 
1.25
 
                  
Number of RSUs, PSUs and DSUs outstanding
The number of RSUs, PSUs and DSUs outstanding as at December 31, 2021 are as follows:
 
  (000s)
  
RSUs
    
            PSUs
    
            DSUs
 
  Units outstanding, December 31, 2019
  
 
839
 
  
 
1,640
 
  
 
589
 
  Granted
  
 
689
 
  
 
1,196
 
  
 
392
 
  Exercised
  
 
(385
  
 
(431
  
 
(155
  Forfeited
  
 
(308
  
 
(133
  
 
-
 
                            
  Units outstanding, December 31, 2020
  
 
835
 
  
 
2,272
 
  
 
826
 
      Granted
  
 
362
 
  
 
602
 
  
 
200
 
      Exercised
/
Expired
  
 
(346
  
 
(592
  
 
(94
      Forfeited

 
 
(28
)
 
 
 
-
 
 
 
-
 
                            
  Units outstanding, December 31, 2021
  
 
823
 
  
 
2,282
 
  
 
932