| Schedule of finite-lived intangible assets |
| |
|
September 30, 2021 |
|
|
December 31, 2020 |
|
|
|
|
| |
|
Gross
Carrying
Amount |
|
|
Accumulated
Amortization |
|
|
Net
Carrying
Amount |
|
|
Gross
Carrying
Amount |
|
|
Accumulated
Amortization |
|
|
Accumulated
Amortization |
|
|
Useful
Life |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Patents |
|
$ |
32,751 |
|
|
$ |
(12,148 |
) |
|
$ |
20,603 |
|
|
$ |
158,710 |
|
|
$ |
(3,809 |
) |
|
$ |
154,901 |
|
|
|
10 |
|
| Patents in process |
|
|
140,070 |
|
|
|
- |
|
|
|
140,070 |
|
|
|
133,112 |
|
|
|
- |
|
|
|
133,112 |
|
|
|
N/A |
|
| Licenses |
|
|
241,909 |
|
|
|
(35,424 |
) |
|
|
206,485 |
|
|
|
241,909 |
|
|
|
(17,280 |
) |
|
|
224,629 |
|
|
|
10 |
|
| Trademarks |
|
|
3,800,000 |
|
|
|
(58,226 |
) |
|
|
3,741,774 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
10 |
|
| FAA waiver |
|
|
20,310,000 |
|
|
|
(311,202 |
) |
|
|
19,998,798 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
10 |
|
| Developed technology |
|
|
22,750,000 |
|
|
|
(232,392 |
) |
|
|
22,517,608 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
15 |
|
| Non-compete agreements |
|
|
340,000 |
|
|
|
(52,097 |
) |
|
|
287,903 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
1 |
|
| Customer relationships |
|
|
60,000 |
|
|
|
(1,839 |
) |
|
|
58,161 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
5 |
|
| |
|
$ |
47,674,730 |
|
|
$ |
(703,328 |
) |
|
$ |
46,971,402 |
|
|
$ |
533,731 |
|
|
$ |
(21,089 |
) |
|
$ |
512,642 |
|
|
|
|
|
|
| Schedule of estimated amortization expense |
| Year Ending December 31, |
|
Estimated
Amortization |
|
| 2021 (3 months) |
|
$ |
1,076,784 |
|
| 2022 |
|
$ |
4,221,696 |
|
| 2023 |
|
$ |
3,966,696 |
|
| 2024 |
|
$ |
3,966,419 |
|
| 2025 |
|
$ |
3,966,419 |
|
|