| Schedule of warrants outstanding |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Number of Warrants | | | | | | | | | | Exercise | | Outstanding and Common | | | | | | | | | | Price | | Stock Underlying Warrants | | | | Issuance Date | | Expiration Date | | Classification | | per Share | | June 30, 2026 | | December 31, 2025 | | Unmodified August 2022 Warrants | | August 25, 2022 | | August 25, 2027 | | Liability | | $ | 13.20 | | 433,321 | | 433,321 | | Modified August 2022 Warrants | | August 25, 2022 | | August 25, 2027 | | Liability | | $ | 4.13 | | 55,553 | | 55,553 | | January 2024 Purchase Warrants | | January 26, 2024 | | July 26, 2029 | | Equity | | $ | 4.13 | | 171,000 | | 171,000 | | July 2024 Purchase Warrants | | July 9, 2024 | | July 9, 2027 | | Equity | | $ | 2.25 | | 1,248,527 | | 1,248,527 | | August 2024 Purchase Warrants | | August 1, 2024 | | August 1, 2029 | | Equity | | $ | 1.36 | | 2,566,667 | | 2,566,667 | | Amended March 2025 Warrants | | September 19, 2025 | | March 5, 2031 | | Liability | | $ | 0.35 | | 11,848,177 | | 11,848,177 | | September 2025 Warrants | | September 19, 2025 | | March 5, 2031 | | Equity | | $ | 0.75 | | 4,912,500 | | 4,912,500 | | June 2026 Warrants | | June 5, 2026 | | June 5, 2029 | | Equity | | $ | 0.75 | | 4,230,000 | | - | | | | | | | | | | | | | 25,465,745 | | 21,235,745 | |
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| Schedule of stock option activity |
| | | | | | | | | | | | | | | | | | | | | | | | Options outstanding at December 31, 2025(1) | | 3,100,787 | | Options granted | | 77,600 | | Options forfeited or expired | | (545,391) | | Options outstanding at June 30, 2026(1) | | 2,632,996 | | | | | | Vested and Exercisable options at June 30, 2026 | | 1,552,714 | |
| (1) | Options outstanding include options vested and expected to vest |
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