| Schedule of intangible asset transactions |
| Schedule of intangible asset transactions | |
| | | |
| | | |
| | |
| Intangible asset transactions | |
Patent Rights | | |
Patent Application Rights | | |
Total | |
| Cost | |
| | | |
| | | |
| | |
| Balance, December 31, 2024 | |
$ | 30,000 | | |
$ | 618,863 | | |
$ | 648,863 | |
| Additions | |
| — | | |
| 62,714 | | |
| 62,714 | |
| Balance, December 31, 2025 | |
$ | 30,000 | | |
$ | 681,577 | | |
$ | 711,577 | |
| Additions | |
| — | | |
| 11,706 | | |
| 11,706 | |
| Balance, March 31, 2026 | |
$ | 30,000 | | |
$ | 693,284 | | |
$ | 723,284 | |
| Accumulated amortization | |
| | | |
| | | |
| | |
| Balance, December 31, 2024 | |
$ | 28,500 | | |
$ | 150,579 | | |
$ | 179,079 | |
| Amortization | |
| 1,500 | | |
| 49,792 | | |
| 51,292 | |
| Balance, December 31, 2025 | |
$ | 30,000 | | |
$ | 200,371 | | |
$ | 230,371 | |
| Amortization | |
| — | | |
| 9,821 | | |
| 9,821 | |
| Balance, March 31, 2026 | |
$ | 30,000 | | |
$ | 210,192 | | |
$ | 240,192 | |
| | |
| | | |
| | | |
| | |
| Net carrying amounts | |
| | | |
| | | |
| | |
| December 31, 2025 | |
$ | — | | |
$ | 481,206 | | |
$ | 481,206 | |
| March 31, 2026 | |
$ | — | | |
$ | 483,092 | | |
$ | 483,092 | |
|