| Schedule of composition and fair value hierarchy of financial liabilities |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2026 | | | Level 1 | | Level 2 | | Level 3 | | Total | Assets: | | | | | | | | | | | | | Non-marketable equity securities | | $ | — | | $ | — | | $ | 15,000,000 | | $ | 15,000,000 | Total | | $ | — | | $ | — | | $ | 15,000,000 | | $ | 15,000,000 | Liabilities: | | | | | | | | | | | | | Warrant liability | | $ | — | | $ | — | | $ | 1,567,673 | | $ | 1,567,673 | Embedded derivative liability | | $ | — | | $ | — | | $ | 29,052,000 | | $ | 29,052,000 | Total | | $ | — | | $ | — | | $ | 30,619,673 | | $ | 30,619,673 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | Level 1 | | Level 2 | | Level 3 | | Total | Liabilities: | | | | | | | | | | | | | Warrant liability | | $ | — | | $ | — | | $ | 51,673 | | $ | 51,673 | Embedded derivative liability | | $ | — | | $ | — | | $ | 3,396,000 | | $ | 3,396,000 | Total | | $ | — | | $ | — | | $ | 3,447,673 | | $ | 3,447,673 |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | | Level 1 | | Level 2 | | Level 3 | | Total | Liabilities: | | | | | | | | | | | | | Warrant liability | | $ | — | | $ | — | | $ | 51,673 | | $ | 51,673 | Embedded derivative liability | | $ | — | | $ | — | | $ | 3,396,000 | | $ | 3,396,000 | Total | | $ | — | | $ | — | | $ | 3,447,673 | | $ | 3,447,673 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2024 | | | Level 1 | | Level 2 | | Level 3 | | Total | Liabilities: | | | | | | | | | | | | | Warrant liability | | $ | — | | $ | — | | $ | 57,984 | | $ | 57,984 | Embedded derivative liability | | $ | — | | $ | — | | $ | 1,052,000 | | $ | 1,052,000 | Total | | $ | — | | $ | — | | $ | 1,109,984 | | $ | 1,109,984 |
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| Schedule of roll forward of warrant liability |
| | | | | | | | | | Warrant | | | Liability | Balance at December 31, 2025 | | $ | 51,673 | Warrants granted in connection with issuance of Convertible Promissory Notes | | | 1,516,000 | Balance at March 31, 2026 | | $ | 1,567,673 |
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| | | | | | | | | | Warrant | | | Liability | Balance at December 31, 2023 | | $ | 784,724 | Change in fair value | | | (726,740) | | | | | Balance at December 31, 2024 | | | 57,984 | Change in fair value | | | (6,311) | | | | | Balance at December 31, 2025 | | $ | 51,673 |
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