| Schedule of Company's Warrant Activity |
The following is a summary of the Company’s warrant activity for the nine months ended September 30, 2025:
| Warrant Issuance | | Issuance | | Exercise
Price | | Outstanding,
December 31,
2024 | | Granted | | Exercised | | Canceled/
Expired | | Variable
Settlement
Provision
Adjustment | | Outstanding,
September 30,
2025 | | Expiration | | Preferred A Placement Warrants | | March and April 2018 and August 2019 | | $ | 210.00 | | 1,957 | | — | | — | | | (1,957 | ) | | — | | — | | April 2025 | | Preferred B Placement Warrants | | April 2019 | | $ | 315.00 | | 3,098 | | — | | — | | | (3,098 | ) | | — | | — | | April 2025 | | Convertible Notes Placement Warrants | | August 2020 | | $ | 385.50 | | 1,146 | | — | | — | | | (1,146 | ) | | — | | — | | August 2025 | | Underwriter Warrants | | March 2021 | | $ | 900.00 | | 6,380 | | — | | — | | | — | | | — | | 6,380 | | March 2026 | | January 2023 warrants | | January 2023 | | $ | 235.50 | | 15,480 | | — | | — | | | — | | | — | | 15,480 | | January 2028 | | February 2023 warrants | | February 2023 | | $ | 235.50 | | 2,322 | | — | | — | | | — | | | — | | 2,322 | | February 2028 | | August 2023 warrants | | August 2023 | | $ | 186.00 | | 1,345 | | — | | — | | | — | | | — | | 1,345 | | August 2028 | | April 2024 Pre-Funded warrants | | April 2024 | | $ | 0.15 | | 20,994 | | — | | (4,855 | ) | | — | | | — | | 16,139 | | April 2029 | | April 2024 warrants | | April 2024 | | $ | 61.10 | | 301,584 | | — | | — | | | — | | | — | | 301,584 | | April 2029 | | August 2024 warrants | | August 2024 | | $ | 61.10 | | 2,211 | | — | | — | | | — | | | — | | 2,211 | | August 2029 | | | | | | | | | 356,517 | | — | | (4,855 | ) | | (6,201 | ) | | — | | 345,461 | | |
The following is a summary of the Company’s warrant activity for the nine months ended September 30, 2024:
| Warrant Issuance | | Issuance | | Exercise
Price | | Outstanding,
December 31,
2023 | | Granted | | Exercised | | Canceled/
Expired | | Variable
Settlement
Provision
Adjustment | | Outstanding,
September 30,
2024 | | Expiration | | Preferred A Placement Warrants | | March and April 2018 and August 2019 | | $ | 210.00 | | 1,957 | | — | | — | | — | | — | | 1,957 | | April 2025 | | Preferred B Placement Warrants | | April 2019 | | $ | 315.00 | | 3,098 | | — | | — | | — | | — | | 3,098 | | April 2025 | | Convertible Notes Placement Warrants | | August 2020 | | $ | 385.50 | | 1,146 | | — | | — | | — | | — | | 1,146 | | August 2025 | | Underwriter Warrants | | March 2021 | | $ | 900.00 | | 6,380 | | — | | — | | — | | — | | 6,380 | | March 2026 | | January 2023 warrants | | January 2023 | | $ | 235.50 | | 15,480 | | — | | — | | — | | — | | 15,480 | | January 2028 | | February 2023 warrants | | February 2023 | | $ | 235.50 | | 2,322 | | — | | — | | — | | — | | 2,322 | | February 2028 | | August 2023 warrants | | August 2023 | | $ | 186.00 | | 1,345 | | — | | — | | — | | — | | 1,345 | | August 2028 | | April 2024 Pre-Funded warrants | | April 2024 | | $ | 0.15 | | — | | 20,994 | | — | | — | | — | | 20,994 | | April 2029 | | April 2024 warrants | | April 2024 | | $ | 61.10 | | — | | 301,584 | | — | | — | | — | | 301,584 | | April 2029 | | August 2024 warrants | | August 2024 | | $ | 61.10 | | — | | 2,211 | | — | | — | | — | | 2,211 | | August 2029 | | | | | | | | | 31,728 | | 324,789 | | — | | — | | — | | 356,517 | | |
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The following is a summary of the Company’s warrant activity for the years ended December 31, 2024 and 2023:
| Warrant Issuance | | Issuance | | Exercise
Price | | Outstanding,
December 31,
2023 | | Granted | | Exercised | | Canceled/
Expired | | Outstanding,
December 31,
2024 | | Expiration | | Preferred A Placement Warrants | | March and April 2018 and August 2019 | | $ | 210.00 | | 1,957 | | — | | — | | — | | 1,957 | | April 2025 | | Preferred B Placement Warrants | | April 2019 | | $ | 315.00 | | 3,098 | | — | | — | | — | | 3,098 | | April 2025 | | Convertible Notes Placement Warrants | | August 2020 | | $ | 385.50 | | 1,146 | | — | | — | | — | | 1,146 | | August 2025 | | Underwriter Warrants | | March 2021 | | $ | 900.00 | | 6,380 | | — | | — | | — | | 6,380 | | March 2026 | | January 2023 warrants | | Janauary 2023 | | $ | 235.50 | | 15,480 | | — | | — | | — | | 15,480 | | January 2028 | | February 2023 warrants | | February 2023 | | $ | 235.50 | | 2,322 | | — | | — | | — | | 2,322 | | February 2028 | | August 2023 warrants | | August 2023 | | $ | 186.00 | | 1,345 | | — | | — | | — | | 1,345 | | August 2028 | | Warrant Issuance | | Issuance | | Exercise
Price | | Outstanding,
December 31,
2023 | | Granted | | Exercised | | Canceled/
Expired | | Outstanding,
December 31,
2024 | | Expiration | | April 2024 Pre-Funded warrants | | April 2024 | | $ | 0.15 | | — | | 20,994 | | — | | — | | 20,994 | | April 2029 | | April 2024 warrants | | April 2024 | | $ | 61.10 | | — | | 301,584 | | — | | — | | 301,584 | | April 2029 | | August 2024 warrants | | August 2024 | | $ | 61.10 | | — | | 2,211 | | — | | — | | 2,211 | | August 2029 | | | | | | | | | 31,728 | | 324,789 | | — | | — | | 356,517 | | |
| Warrant Issuance | | Issuance | | Exercise
Price | | Outstanding,
December 31,
2022 | | Granted | | Exercised | | Canceled/
Expired | | Outstanding,
December 31,
2023 | | Expiration | | Preferred A Placement Warrants | | March and April 2018 and August 2019 | | $ | 210.00 | | 1,957 | | — | | — | | — | | | 1,957 | | April 2024 | | Preferred A Lead Investor Warrants | | February 2021 | | $ | 1.875 | | 350 | | — | | — | | (350 | ) | | — | | March 2023 | | Preferred B Placement Warrants | | April 2019 | | $ | 315.00 | | 3,098 | | — | | — | | — | | | 3,098 | | April 2024 | | Convertible Notes Placement Warrants | | August 2020 | | $ | 385.50 | | 1,146 | | — | | — | | — | | | 1,146 | | August 2025 | | Underwriter Warrants | | March 2021 | | $ | 900.00 | | 6,380 | | — | | — | | — | | | 6,380 | | March 2026 | | January 2023 warrants | | January 2023 | | $ | 235.50 | | — | | 15,480 | | — | | — | | | 15,480 | | January 2028 | | February 2023 warrants | | February 2023 | | $ | 235.50 | | — | | 2,322 | | — | | — | | | 2,322 | | February 2028 | | August 2023 warrants | | August 2023 | | $ | 186.00 | | — | | 1,345 | | — | | — | | | 1,345 | | August 2028 | | | | | | | | | 12,931 | | 19,147 | | — | | (350 | ) | | 31,728 | | |
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