| Warrants |
9.
Warrants
The
following table summarizes warrant activity for the years ended December 31, 2022 and 2021:
Schedule
of Rollforward of Common Stock Warrants Outstanding
| | |
Number
of Common Warrants | | |
Weighted
Average Exercise Price | | |
Average
Remaining Contractual Term (Years) | | |
Aggregate
Intrinsic Value | |
| Outstanding
January 1, 2021 | |
| 1,164,359 | | |
$ | 68.20 | | |
| 3.30 | | |
$ | - | |
| Warrants
Issued | |
| 382,588 | | |
| 20.20 | | |
| | | |
| | |
| Warrants
Exercised | |
| (7,202 | ) | |
| 33.41 | | |
| | | |
| | |
| Outstanding
December 31, 2021 | |
| 1,539,745 | | |
$ | 56.39 | | |
| 2.98 | | |
$ | - | |
| Warrants Expired | |
| (254,942 | ) | |
| 31.65 | | |
| | | |
| | |
| Outstanding
December 31, 2022 | |
| 1,284,803 | | |
$ | 61.30 | | |
| 2.53 | | |
$ | - | |
The
following represents a summary of the warrants outstanding and exercisable as of December 31, 2022:
Schedule
of Warrants Outstanding
| |
|
|
|
|
Adjusted |
|
|
|
|
Number of Shares Underlying Warrants |
|
| Issue
Date |
|
Classification |
|
|
Exercise
Price |
|
|
Expiration
Date |
|
Outstanding |
|
|
Exercisable |
|
| December
17, 2021 |
|
Equity |
|
|
$ |
14.99 |
|
|
December
15, 2026 |
|
|
36,538 |
|
|
|
36,538 |
|
| December
17, 2021 |
|
Equity |
|
|
$ |
13.99 |
|
|
December
17, 2026 |
|
|
281,047 |
|
|
|
281,047 |
|
| February
16, 2021 |
|
Equity |
|
|
$ |
49.99 |
|
|
February
11, 2026 |
|
|
65,003 |
|
|
|
65,003 |
|
| August
7, 2020 |
|
Equity |
|
|
$ |
35.99 |
|
|
July
14, 2025 |
|
|
90,743 |
|
|
|
90,743 |
|
| August
7, 2020 |
|
Equity |
|
|
$ |
44.99 |
|
|
July
14, 2025 |
|
|
10,939 |
|
|
|
10,939 |
|
| July
23, 2020 |
|
Equity |
|
|
$ |
35.99 |
|
|
July
14, 2025 |
|
|
77,502 |
|
|
|
77,502 |
|
| July
13, 2020 |
|
Equity |
|
|
$ |
44.99 |
|
|
July
14, 2025 |
|
|
21,846 |
|
|
|
21,846 |
|
| July
13, 2020 |
|
Equity |
|
|
$ |
35.99 |
|
|
July
14, 2025 |
|
|
334,800 |
|
|
|
334,800 |
|
| April
8, 2019 |
|
Equity |
|
|
$ |
26.99 |
|
|
April
8, 2024 |
|
|
65,907 |
|
|
|
65,907 |
|
| April
8, 2019 |
|
Equity |
|
|
$ |
33.74 |
|
|
April
3, 2024 |
|
|
39,871 |
|
|
|
39,871 |
|
| February
12, 2019 |
|
Equity |
|
|
$ |
36.62 |
|
|
February
7, 2024 |
|
|
5,548 |
|
|
|
5,548 |
|
| February
12, 2019 |
|
Equity |
|
|
$ |
26.79 |
|
|
August
12, 2024 |
|
|
66,675 |
|
|
|
66,675 |
|
| February
4, 2019 |
|
Equity |
|
|
$ |
42.49 |
|
|
January
30, 2024 |
|
|
1,732 |
|
|
|
1,732 |
|
| January
31, 2019 |
|
Equity |
|
|
$ |
42.49 |
|
|
January
26, 2024 |
|
|
511 |
|
|
|
511 |
|
| December
3, 2018 |
|
Equity |
|
|
$ |
77.99 |
|
|
June
3, 2024 |
|
|
46,876 |
|
|
|
46,876 |
|
| April
3, 2018 |
|
Equity |
|
|
$ |
149.99 |
|
|
April
3, 2023 |
|
|
117,559 |
|
|
|
117,559 |
|
| April
4, 2018 |
|
Equity |
|
|
$ |
149.99 |
|
|
April
4, 2023 |
|
|
5,751 |
|
|
|
5,751 |
|
| June
15, 2015 |
|
Equity |
|
|
$ |
1,509.99 |
|
|
Five
years after milestone achievement |
|
|
15,955 |
|
|
|
- |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
1,284,803 |
|
|
|
1,268,848 |
|
|