v3.26.1
Shareholders’ equity and reserves (Tables)
3 Months Ended
Mar. 31, 2026
Notes and other explanatory information [abstract]  
Schedule of stock option activity
        
   Period ended
March 31, 2026
   Year ended
December 31, 2025
 
   Options   Weighted
average
exercise price
   Options   Weighted
average
exercise price
 
    #    $    #    $ 
Options outstanding, beginning of period/year   806,061    0.59    528,283    0.69 
Granted   204,040    0.59    277,778    0.39 
Expired   (202,020)   0.89         
Options outstanding, end of period/year   808,081    0.52    806,061    0.59 
Schedule of stock options outstanding and exercisable
        
Options   Options   Exercise      Weighted average 
outstanding   exercisable   price   Expiry date  remaining life 
#   #   $      (years) 
 25,253    25,253    0.69   January 16, 2028   1.80 
 73,737    73,737    0.59   August 24, 2032   6.41 
 227,273    227,273    0.59   October 12, 2032   6.54 
 277,778    277,778    0.39   June 12, 2035   9.21 
 204,040    204,040    0.59   March 19, 2036   9.98 
 808,081    808,081    0.52       8.16 
Schedule of changes in warrants
                         
   Period ended
March 31, 2026
   Year ended
December 31, 2025
     
   Warrants   Weighted
average
exercise price
   Warrants   Weighted
average
exercise price
   Warrant
liability
 
   #   $   #   $   $ 
Warrants outstanding, beginning of period/year   3,926,930    0.99    3,665,657    1.06    857,250 
Issued - unit offerings           2,578,188    0.91    1,201,281 
Issued - finders' warrants           284,095    0.94     
Expired           (2,601,010)   1.01    (310,494)
Fair value adjustment for warrants outstanding                   84,154 
Options outstanding, end of period/year   3,926,930    0.99    3,926,930    0.99    1,832,191 
Schedule of warrants outstanding and exercisable
              
Warrants   Exercise      Weighted average 
outstanding   price   Expiry date  remaining life 
#   $      (years) 
48,485    1.19   October 25, 2026   0.57 
606,061    1.19   October 24, 2027   1.57 
326,263    1.19   December 3, 2027   1.68 
1,601,005    0.89   December 4, 2027   1.68 
192,320    0.89   December 4, 2027   1.68 
445,286    0.89   December 12, 2027   1.70 
364,119    0.89   December 18, 2027   1.72 
43,290    0.89   December 18, 2027   1.72 
132,323    1.19   December 23, 2027   1.73 
167,778    1.19   June 30, 2028   2.25 
3,926,930    0.99       1.68