| Schedule of stock option activity |
| Schedule of stock option activity | |
| | | |
| | | |
| | | |
| | |
| | |
Shares Underlying Options | | |
Weighted Average Exercise Price | | |
Weighted Average Contractual Life (Years) | | |
Intrinsic Value | |
| Outstanding at December 31, 2024 | |
| 279,625 | | |
$ | 15.29 | | |
| 8.74 | | |
$ | – | |
| Granted | |
| 187,375 | | |
| 7.96 | | |
| 7.22 | | |
$ | – | |
| Forfeited/Expired | |
| (30,000 | ) | |
| – | | |
| – | | |
$ | – | |
| Exercised | |
| – | | |
| – | | |
| – | | |
$ | – | |
| Outstanding at June 30, 2025 | |
| 437,000 | | |
$ | 12.11 | | |
| 6.75 | | |
$ | 400,000 | |
|
| Schedule of warrants outstanding |
| Schedule of warrants outstanding | |
| |
| | | |
| |
| | | |
| | |
| | |
| |
| | |
| |
Outstanding at | |
| Reference | |
Date Issued | |
Exercise price | | |
Expiration | |
June 30, 2025 | | |
December 31, 2024 | |
| Warrant Holder 1 | |
5/28/2021 | |
$ | 59.40 | | |
5/13/26 | |
| 8,380 | | |
| 8,380 | |
| Warrant Holder 1 | |
5/28/2021 | |
$ | 118.80 | | |
5/13/26 | |
| 8,422 | | |
| 8,422 | |
| Warrant Holder 1 | |
5/28/2021 | |
$ | 296.80 | | |
5/13/26 | |
| 8,422 | | |
| 8,422 | |
| Warrant Holder 2 | |
7/30/21 | |
$ | 59.40 | | |
7/30/26 | |
| 421 | | |
| 421 | |
| Warrant Holder 2 | |
7/30/21 | |
$ | 296.80 | | |
6/1/26 | |
| 1,263 | | |
| 1,263 | |
| Warrant Holder 5 | |
12/20/21 | |
$ | 59.40 | | |
12/20/26 | |
| 2,948 | | |
| 2,948 | |
| Warrant Holder 18 | |
3/30/22 | |
$ | 178.20 | | |
3/30/25 | |
| – | | |
| 4,211 | |
| Warrant Holder 20 | |
1/3/23 | |
$ | 50.00 | | |
1/2/27 | |
| 5,000 | | |
| 5,000 | |
| Warrant Holder 21 | |
1/20/23 | |
$ | 38.00 | | |
1/19/27 | |
| 12,500 | | |
| 12,500 | |
| Series A & B Warrants | |
6/16/23 | |
$ | 27.20 | | |
12/16/28 | |
| 306,250 | | |
| 306,250 | |
| Series A Warrants | |
10/23/23 | |
$ | 27.20 | | |
4/26/25 | |
| – | | |
| 100,000 | |
| Series B Warrants | |
10/23/23 | |
$ | 27.20 | | |
4/26/29 | |
| 100,000 | | |
| 100,000 | |
| Warrant Holder 22 | |
6/16/23 | |
$ | 25.00 | | |
12/16/28 | |
| 6,300 | | |
| 6,300 | |
| Warrant Holder 22 | |
10/23/23 | |
$ | 28.00 | | |
4/26/29 | |
| 3,300 | | |
| 3,300 | |
| Warrant Holder 23 | |
6/16/23 | |
$ | 25.00 | | |
12/16/28 | |
| 4,200 | | |
| 4,200 | |
| Warrant Holder 23 | |
10/23/23 | |
$ | 28.00 | | |
4/26/29 | |
| 2,400 | | |
| 2,400 | |
| Warrant Holder 24 | |
10/23/23 | |
$ | 28.00 | | |
4/26/29 | |
| 300 | | |
| 300 | |
| Pre-Funded Warrants 2 | |
12/28/23 | |
$ | 0.002 | | |
–* | |
| – | | |
| 150,000 | |
| Pre-Funded Warrants 3 | |
2/8/24 | |
$ | 0.002 | | |
–* | |
| 200,000 | | |
| 300,000 | |
| Warrant Holder 25 | |
1/20/25 | |
$ | 12.00 | | |
1/20/30 | |
| 100,000 | | |
| – | |
| Total Warrants outstanding | |
| 770,105 | | |
| 1,024,317 | |
| * |
Pre-funded warrants, do not expire. |
|