| Intangible assets |
| |
|
As at February 28, |
|
|
As at February 29, |
|
| |
|
2021 |
|
|
2020 |
|
| |
|
|
|
|
|
|
| Patents, at cost – beginning of period |
|
$ |
225,174 |
|
|
$ |
127,672 |
|
| Patents, accumulated depreciation – beginning of period |
|
|
(22,310 |
) |
|
|
- |
|
| Patents, net – beginning of period |
|
|
202,864 |
|
|
|
127,672 |
|
| |
|
|
|
|
|
|
|
|
| Additions in the year – patents |
|
|
623,811 |
|
|
|
99,972 |
|
| Amortization of patents |
|
|
(41,844 |
) |
|
|
(22,631 |
) |
| Foreign exchange effect |
|
|
10,063 |
|
|
|
(2,150 |
) |
| Patents, net – end of period |
|
$ |
794,894 |
|
|
$ |
202,863 |
|
|