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Stockholders’ equity (Tables)
6 Months Ended
Jun. 30, 2022
Equity [Abstract]  
Schedule of Share- based Payment Arrangement, Warrant Activity

A summary of warrant activity for the quarter ended June 30, 2022 are as follows:

 

    Number of warrants   Exercise price   Expiry date 
Outstanding, December 31, 2020    -   $-     
                
Granted     230,000    CAD$0.98   April 3, 2023 
                
Outstanding December 31, 2021    230,000    CAD$0.98     
                
Granted    -    -   - 
                
Outstanding June 30, 2022    230,000    CAD$0.98     
Schedule of Fair Value of Warrants Assumptions

 

   June 30, 2022   December 31, 2021 
Exercise price   CAD$0.98    CAD$0.98 
Stock price   CAD$0.405    CAD$0.59 
Expected term   0.75 years    1.25 years 
Expected dividend yield   -    - 
Expected stock price volatility   54.79%   88.33%
Risk-free interest rate   3.10%   1.18%
Schedule of Share-based Payment Arrangement, Option, Activity

   Number of options   Weighted average exercise price 
Outstanding December 31, 2020   5,875,750   $0.39 
           
Granted   2,675,000    0.60 
Exercised   (70,000)   (0.45)
Expired   (570,000)   (0.43)
Cancelled   (1,040,600)   (0.42)
           
Outstanding, December 31, 2021   6,870,150   $0.48 
           
Granted   2,550,000    0.40 
Cancelled   (210,000)   (0.56)
           
Outstanding June 30, 2022   9,210,150   $0.46 
Schedule of Share-based Payment Arrangement, Option, Exercise Price Range

The following table summarizes information concerning outstanding and exercisable stock options at June 30, 2022:

Exercise 
prices per share
  Number outstanding   Number exercisable   Expiry date 
CAD$0.45   2,030,400    633,048    June 30, 2025 
CAD$0.50   859,600    326,600    February 1, 2026 
CAD$0.50   2,520,000    252,000    February 1, 2027 
CAD$0.54   506,150    506,150    November 8, 2022 
CAD$0.54   713,000    713,000    June 4, 2023 
CAD$0.66   200,000    44,000    July 12, 2026 
US$0.50   1,275,000    1,275,000    June 4, 2023 
CAD$1.02   1,106,000    314,000    April 6, 2026 
    9,210,150    4,063,798