| Schedule of deferred taxes |
| | 2025 | | | 2024 | | Deferred tax assets: | | | | | | | Stock options issued for services | | $ | 2,572,804 | | | $ | 2,406,972 | | Net operating loss carryforward | | | 9,174,405 | | | | 8,249,727 | | Section 174 capitalization | | | 306,164 | | | | 447,440 | | Accrual to cash | | | 857,174 | | | | 1,112,574 | | Royalty obligation | | | 95,378 | | | | - | | Change in fair value of royalty liability | | | 78,217 | | | | - | | Chang in fair value of upfront purchase price liability | | | 2,078 | | | | - | | Other | | | 82,986 | | | | 170,030 | | Total deferred tax assets | | | 13,169,206 | | | | 12,386,743 | | | | | | | | | | | Deferred tax liabilities: | | | | | | | | | Royalty obligation | | | - | | | | (38,226 | ) | Right to use assets | | | - | | | | (1,123 | ) | Total deferred tax liabilities | | | - | | | | (39,349 | ) | Deferred tax net | | | 13,169,206 | | | | 12,347,394 | | Valuation allowance | | | (13,169,206 | ) | | | (12,347,394 | ) | Net deferred tax assets | | | - | | | | - | |
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