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Income Tax | 12 Months Ended
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Dec. 31, 2024
Income Tax Disclosure [Abstract] |
Income Tax | Note 10 – Income Tax The Company did not record any income tax provision for the years ended December 31, 2024 and 2023, respectively, due to the Company’s net losses. The Company files income tax returns in the United States (“Federal”) and California, Minnesota and Massachusetts (“State”) jurisdictions. The Company is subject to Federal and State income tax examinations by tax authorities for all years since its inception. At December 31, 2024, the Company had Federal and State net operating loss carry forwards available to offset future taxable income of approximately $262 million. These carry forwards will begin to expire in the year ending December 31, 2030, subject to IRS limitations, including change in ownership. The Company periodically evaluates the likelihood of the realization of deferred tax assets, and adjusts the carrying amount of the deferred tax assets by a valuation allowance to the extent the future realization of the deferred tax assets is not judged to be more likely than not. The Company considers many factors when assessing the likelihood of future realization of our deferred tax assets, including recent cumulative earnings experience by taxing jurisdiction, expectations of future taxable income or loss, the carry-forward periods available to us for tax reporting purposes, and other relevant factors. Based on the weight of available evidence, including cumulative losses in recent years and expectations of future taxable income, the Company has determined that it was more likely than not that its deferred tax assets would not be realized at December 31, 2024 and 2023, respectively. Accordingly, the Company has recorded a valuation allowance for 100% of its cumulative deferred tax assets. Deferred taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes, and operating losses and tax credit carryforwards. The significant components of net deferred income tax assets are: Schedule of Net Deferred Income Tax Assets
|  | 2024 |  |  | 2023 |
|  | December 31, |
|  | 2024 |  |  | 2023 |
Deferred tax assets: |  |  |  |  |  |  |  |
Federal net operating loss carryforward |  | $ | 73,403,000 |  |  | $ | 66,679,000 |
Stock based compensation and other items |  |  | 3,054,000 |  |  |  | 3,216,000 |
Intellectual property |  |  | 32,599,000 |  |  |  | 37,219,000 |
Section 14 research and development |  |  | 3,128,000 |  |  |  | 2,578,000 |
Deferred tax assets before valuation |  |  | 112,184,000 |  |  |  | 109,692,000 |
Valuation allowance |  |  | (112,184,000 | ) |  |  | (109,692,000 | )
Net deferred income tax assets |  | $ | — |  |  | $ | — |
A reconciliation of the federal statutory income tax rate and the effective income tax rate as a percentage of income before income tax provision is as follows for the year ended: Schedule of Income Tax Provision
|  | 2024 |  |  | 2023 |
|  | December 31, |
|  | 2024 |  |  | 2023 |
Federal statutory income tax rate |  |  | 21 | % |  |  | 21 | %
State tax, net of federal benefit |  |  | 8 | % |  |  | 8 | %
Change in valuation allowance on net operating loss carryforwards |  |  | (29 | )% |  |  | (29 | )%
Effective income tax rate |  |  | 0 | % |  |  | 0 | %

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