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Share-based Compensation and Warrants (Tables)
12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
A continuity schedule of outstanding stock options as of December 31, 2024, and the changes during the fiscal year periods, is as follows:
Number of stock optionsWeighted average exercise price (CAD)
Balance, December 31, 20215,272,294 1.42
Granted3,107,501 4.10
Exercised(1,016,436)1.51
Forfeited/expired(127,711)3.60
Balance, December 31, 20227,235,648 2.52
Exercisable, December 31, 20224,928,144 1.78
Granted2,670,181 2.85
Exercised(575,676)1.31
Forfeited/expired(917,271)3.20
Balance, December 31, 20238,412,882 2.63
Exercisable, December 31, 20235,921,267 2.39
Granted3,029,000 5.74
Exercised(2,267,155)1.06
Forfeited/expired(300,001)4.42
Balance, December 31, 20248,874,726 4.03
Exercisable, December 31, 20246,169,340 3.55

As of December 31, 2024, stock options outstanding and exercisable were as follows:

Options OutstandingOptions Exercisable
December 31, 2024December 31, 2024
Option price per shareOptions #Weighted average remaining life (years)Weighted average exercise price (CAD)Options #Weighted average exercise price (CAD)
$0.18 - 1.92
860,499 0.05$1.05860,499 $1.05
$2.40 - 2.40
2,628,351 0.94$2.922,096,340 $2.95
$4.20 - 5.76
5,385,876 2.01$5.053,212,501 $4.62
8,874,726 3.01$4.036,169,340 $3.55
A summary of the Company’s unvested stock option activity is as follows:
Number of SharesWeighted Average Grant Date Fair Value (CAD)
Unvested, December 31, 2021757,0821.58 
Granted3,107,5012.43 
Vested(1,497,082)1.95 
Forfeited(59,999)2.51 
Outstanding, December 31, 20222,307,5022.44 
Granted2,670,1811.61 
Vested(2,196,526)2.20 
Forfeited(289,541)1.69 
Outstanding, December 31, 20232,491,6161.85 
Granted3,029,0002.78 
Vested(2,588,666)2.18 
Forfeited(226,563)2.28 
Outstanding, December 31, 20242,705,3872.54 
Schedule of Options Using the Black-Scholes Option Pricing Model, Weighted-Average Assumptions Used
The weighted average assumptions used in the Black-Scholes option pricing model are as follows ($ amounts in CAD):
Weighted Average
Quantity1,066,500283,500
Exercise Price$3.91 $3.25 
Share Price$3.20 $3.20 
Discount Rate4.19 %4.19 %
Expected life (years)2.252.25
Volatility81.81 %81.81 %
Fair value of finders' warrants (CAD per option)$1.38 $1.54 

The fair value of all share purchase warrants granted in conjunction with equity financing is estimated on the grant date using the Black-Scholes option pricing model. The assumptions used in calculating the fair values are as follows:
02/14/2302/08/2303/25/22
Exercise priceC$3.75C$4.05C$6.00
Share priceC$3.20C$3.19C$4.77
Risk-free rate3.87 %3.61 %2.34 %
Expected life (in years)3.003.002.00
Expected volatility88.55 %88.69 %88.76 %
Expected dividend yield%%%
Grant date fair value
C$1.75C$1.69C$2.01
Grant date fair value after residual fair value allocation
C$1.06C$1.36C$1.60
The fair value of all compensatory options granted is estimated on the grant date using the Black-Scholes option pricing model. The weighted average assumptions used in calculating the fair values are as follows:
As of December 31,
202420232022
Exercise priceC$5.74C$2.85C$4.10
Share priceC$5.75C$2.85C$3.98
Risk-free rate3.70 %3.89 %1.95 %
Expected life (in years)3.113.133.06
Expected volatility68.08 %83.19 %97.29 %
Expected dividend yield%%%
Weighted average grant date fair valueC$2.78C$1.61C$2.43