| Schedule of intangible asset transactions |
| Schedule of intangible asset transactions | |
| | |
| | |
| |
| Intangible asset transactions | |
Patent Rights | | |
Patent Application
Rights | | |
Total | |
| Cost | |
| | | |
| | | |
| | |
| Balance, December 31, 2023 | |
$ | 30,000 | | |
$ | 555,308 | | |
$ | 585,308 | |
| Additions | |
| — | | |
| 63,555 | | |
| 63,555 | |
| Balance, December 31, 2024 | |
$ | 30,000 | | |
$ | 618,863 | | |
$ | 648,863 | |
| Additions | |
| — | | |
| 20,976 | | |
| 20,976 | |
| Balance, March 31, 2025 | |
$ | 30,000 | | |
$ | 639,839 | | |
$ | 669,839 | |
| Accumulated amortization | |
| | | |
| | | |
| | |
| Balance, December 31, 2023 | |
$ | 25,500 | | |
$ | 100,709 | | |
$ | 126,209 | |
| Amortization | |
| 3,000 | | |
| 49,870 | | |
| 52,870 | |
| Balance, December 31, 2024 | |
$ | 28,500 | | |
$ | 150,579 | | |
$ | 179,079 | |
| Amortization | |
| 750 | | |
| 11,912 | | |
| 12,662 | |
| Balance, March 31, 2025 | |
$ | 29,250 | | |
$ | 162,491 | | |
$ | 191,741 | |
| | |
| | | |
| | | |
| | |
| Net carrying amounts | |
| | | |
| | | |
| | |
| December 31, 2024 | |
$ | 1,500 | | |
$ | 468,284 | | |
$ | 469,784 | |
| March 31, 2025 | |
$ | 750 | | |
$ | 477,348 | | |
$ | 478,098 | |
|