| Intangible Assets |
| |
|
Cost
$ |
|
|
Accumulated
amortization
$ |
|
|
Cumulative
impairment
$ |
|
|
December 31,
2020
Net carrying
value
$ |
|
|
March 31,
2020
Net carrying
value
$ |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Patents and technical information |
|
|
35,852,556 |
|
|
|
(7,207,578 |
) |
|
|
(20,457,255 |
) |
|
|
8,187,723 |
|
|
|
8,845,823 |
|
| Backlogs * |
|
|
95,898 |
|
|
|
(46,396 |
) |
|
|
- |
|
|
|
49,502 |
|
|
|
81,193 |
|
| Customer lists * |
|
|
237,794 |
|
|
|
(37,538 |
) |
|
|
- |
|
|
|
200,256 |
|
|
|
215,844 |
|
| Patents and certifications * |
|
|
3,767,087 |
|
|
|
(594,674 |
) |
|
|
- |
|
|
|
3,172,413 |
|
|
|
3,419,375 |
|
| Software licensing * |
|
|
13,673 |
|
|
|
(1,582 |
) |
|
|
- |
|
|
|
12,091 |
|
|
|
13,068 |
|
| Total |
|
|
39,967,008 |
|
|
|
(7,887,768 |
) |
|
|
(20,457,255 |
) |
|
|
11,621,985 |
|
|
|
12,575,303 |
|
|
* |
Acquired
as part of a business combination - see Note 7 |
|