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Shareholders' Equity and Share Based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Summary of Fair Value of Stock Option Valuation Assumptions

The following key assumptions were used in the valuation model to value stock option grants for each respective period:

 

 

 

2021

 

2020

 

 

2019

 

Expected volatility

 

68.3%  - 75.7%

 

 

71.1

%

 

 

60.7

%

Dividend

 

$nil

 

$nil

 

 

$nil

 

Risk-free interest rate

 

1.07% - 1.54%

 

 

0.52

%

 

 

1.86

%

Expected life

 

4.5 years - 6.9 years

 

7.1 years

 

 

5.7 years

 

Fair value

 

CA$5.45 - CA$9.28

 

CA$5.83

 

 

CA$9.73

 

Summary of Stock Based Compensation Stock Option

Stock option transactions under the Company’s plan for the years ended December 31, 2021, 2020 and 2019 are summarized as follows:

 

 

 

Number of

Options

 

 

Weighted

Average

Exercise

Price

 

Weighted

Average

Remaining

Contractual

Term (years)

 

 

Aggregate

Intrinsic

Value

 

Outstanding at January 1, 2019

 

 

2,164,999

 

 

CA$2.10

 

 

5.69

 

 

$

5,553

 

Granted during 2019

 

 

510,000

 

 

CA$16.32

 

 

9.19

 

 

 

 

 

Exercised during 2019

 

 

(212,332

)

 

CA$1.29

 

 

4.85

 

 

 

 

 

Forfeited/expired during 2019

 

 

(10,001

)

 

CA$2.20

 

 

 

 

 

 

 

 

Outstanding at December 31, 2019

 

 

2,452,666

 

 

CA$5.12

 

 

5.60

 

 

$

11,435

 

Exercisable at December 31, 2019

 

 

1,707,337

 

 

CA$1.78

 

 

4.18

 

 

$

10,736

 

Granted during 2020

 

 

1,081,488

 

 

CA$8.77

 

 

9.75

 

 

 

 

 

Exercised during 2020

 

 

(425,166

)

 

CA$1.36

 

 

1.62

 

 

 

 

 

Forfeited during 2020

 

 

(41,666

)

 

CA$6.93

 

 

 

 

 

 

 

 

Outstanding at December 31, 2020

 

 

3,067,322

 

 

CA$6.91

 

 

6.82

 

 

$

20,051

 

Exercisable at December 31, 2020

 

 

1,618,168

 

 

CA$3.91

 

 

4.58

 

 

$

15,119

 

Granted during 2021

 

 

792,236

 

 

CA$10.62

 

 

9.78

 

 

 

 

 

Exercised during 2021

 

 

(177,000

)

 

CA$1.34

 

 

1.14

 

 

 

 

 

Forfeited during 2021

 

 

(60,000

)

 

CA$13.41

 

 

 

 

 

 

 

 

Outstanding at December 31, 2021

 

 

3,622,558

 

 

CA$7.88

 

 

7.89

 

 

$

8,293

 

Exercisable at December 31, 2021

 

 

2,042,663

 

 

CA$6.09

 

 

5.14

 

 

$

7,621

 

Schedule of Nonvested Stock Options Activity

A summary of the status of the Company’s non-vested stock options, and the changes during the year ended December 31, 2021 is presented below:

 

 

 

Number of

Options

 

Weighted

Average Grant

Date Fair

Value

 

Aggregate

Intrinsic Value

Non-vested at January 1, 2021

 

1,449,154

 

CA$6.52

 

 

Granted

 

792,236

 

CA$7.52

 

 

Vested

 

(628,161)

 

CA$6.65

 

 

Forfeited

 

(33,334)

 

CA$8.58

 

 

Non-vested at December 31, 2021

 

1,579,895

 

CA$6.93

 

CA$671

Summary of Performance Base Restricted Share Unit

Performance-based restricted share unit activity for the years ended December 31, 2021, 2020 and 2019 is as follows:

 

 

 

Number of

Performance-based

Restricted Share Units

 

 

Weighted Average

Grant Date Fair Value

Outstanding at January 1, 2019

 

 

1,056,666

 

 

CA$5.56

Granted

 

 

355,000

 

 

CA$14.94

Received

 

 

(442,666

)

 

CA$7.82

Forfeited/expired

 

 

(230,000

)

 

CA$12.90

Outstanding at December 31, 2019

 

 

739,000

 

 

CA$7.92

Exercisable at December 31, 2019

 

 

30,000

 

 

CA$12.87

Granted

 

 

1,068,000

 

 

CA$6.36

Issued

 

 

(840,000

)

 

CA$6.47

Forfeited

 

 

(98,000

)

 

CA$9.59

Outstanding at December 31, 2020

 

 

869,000

 

 

CA$7.51

Exercisable at December 31, 2020

 

 

75,000

 

 

CA$6.10

Granted

 

 

158,000

 

 

CA$9.68

Exercised

 

 

(487,000

)

 

CA$7.14

Forfeited/expired

 

 

(310,000

)

 

CA$8.35

Outstanding at December 31, 2021

 

 

230,000

 

 

CA$8.67

Exercisable at December 31, 2021

 

 

200,000

 

 

CA$8.24

Summary of Non-Vested Performance-Based Restricted Share Units

A summary of the status of the Company’s non-vested performance-based restricted share units, and the changes during the year ended December 31, 2021, is presented below:

 

 

 

Number of

Performance-based

Restricted Share Units

 

 

Weighted Average

Grant Date Fair Value

Non-vested at January 1, 2021

 

 

794,000

 

 

C$7.33

Granted

 

 

158,000

 

 

C$9.69

Vested

 

 

(612,000

)

 

C$7.68

Forfeited

 

 

(310,000

)

 

C$8.34

Non-vested at December 31, 2021

 

 

30,000

 

 

C$10.46