v3.26.1
Summary of Changes in Stock Options (Details)
 12 Months Ended
Dec. 31, 2025
shares
$ / shares
Dec. 31, 2024
shares
$ / shares
Dec. 31, 2023
shares
$ / shares
$ / shares
Notes and other explanatory information [abstract]      
Number of options outstanding, Beginning Balance | shares 2,402,800 324,000 460,000
Weighted average exercise price, Beginning Balance $ 1.05 $ 6.20 $ 6.35
Number of options outstanding, Granted   2,330,000 1.10
Weighted average exercise price, Granted   $ 0.80  
Number of options outstanding, Exercised | shares     (88,000)
Weighted average exercise price, Exercised     $ 8.25
Number of options outstanding, Expired | shares (62,800) (138,000) (48,000)
Weighted average exercise price, Expired $ 8.61 $ 4.50 $ 3.95
Number of options outstanding, Cancelled | shares (40,000) (113,200)  
Weighted average exercise price, Cancelled $ 1.00 $ 6.60  
Number of options outstanding, Ending Balance | shares 2,300,000 2,402,800 324,000
Weighted average exercise price, Ending Balance $ 0.85 $ 1.05 $ 6.20