| Schedule
of option activity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Number of shares |
|
|
Weighted- average exercise price |
|
|
Weighted- average remaining life (years) |
|
|
Aggregate intrinsic value |
|
| Outstanding as of January 1, 2024 |
|
|
201,388 |
|
|
$ |
36.46 |
|
|
|
7.69 |
|
|
$ |
– |
|
| Granted |
|
|
30,000 |
|
|
|
4.07 |
|
|
|
|
|
|
|
|
|
| Expired |
|
|
(32,535 |
) |
|
|
(61.90 |
) |
|
|
|
|
|
|
|
|
| Outstanding as of December 31, 2024 |
|
|
198,853 |
|
|
$ |
27.41 |
|
|
|
4.28 |
|
|
$ |
3,300 |
|
| Granted |
|
|
10,000 |
|
|
|
2.17 |
|
|
|
|
|
|
|
|
|
| Expired |
|
|
(93,231 |
) |
|
|
(36.45 |
) |
|
|
|
|
|
|
|
|
| Outstanding as of December 31, 2025 |
|
|
115,622 |
|
|
$ |
17.95 |
|
|
|
7.01 |
|
|
$ |
– |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Vested or expected to vest as of December 31, 2025 |
|
|
115,622 |
|
|
$ |
17.95 |
|
|
|
7.01 |
|
|
$ |
– |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercisable as of December 31, 2024 |
|
|
166,770 |
|
|
$ |
31.84 |
|
|
|
3.28 |
|
|
$ |
2,567 |
|
| Exercisable as of December 31, 2025 |
|
|
92,288 |
|
|
$ |
21.57 |
|
|
|
6.49 |
|
|
$ |
– |
|