| Schedule of intangible assets |
| |
|
|
|
November 1, 2020 |
|
| |
|
Estimated Life |
|
|
Gross Carrying Amount |
|
|
|
Accumulated Amortization |
|
|
|
Net carrying amount |
|
| Patents |
|
10 Years |
|
$ |
2,265,157 |
|
|
$ |
(1,083,303 |
) |
|
$ |
1,181,854 |
|
| Trademarks |
|
3 Years |
|
|
1,180,316 |
|
|
|
(942,643 |
) |
|
|
237,673 |
|
| Other intangibles |
|
5 Years |
|
|
839,737 |
|
|
|
(839,737 |
) |
|
|
- |
|
| Total |
|
|
|
$ |
4,285,210 |
|
|
$ |
(2,865,683 |
) |
|
$ |
1,419,527 |
|
| |
|
|
|
February 2, 2020 |
|
| |
|
Estimated Life |
|
|
Gross Carrying Amount |
|
|
|
Accumulated Amortization |
|
|
|
Net carrying amount |
|
| Patents |
|
10 Years |
|
$ |
1,965,794 |
|
|
$ |
(846,898 |
) |
|
$ |
1,118,896 |
|
| Trademarks |
|
3 Years |
|
|
982,800 |
|
|
|
(749,535 |
) |
|
|
233,265 |
|
| Other intangibles |
|
5 Years |
|
|
839,737 |
|
|
|
(839,737 |
) |
|
|
- |
|
| Total |
|
|
|
$ |
3,788,331 |
|
|
$ |
(2,436,170 |
) |
|
$ |
1,352,161 |
|
|