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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2025
Income Tax Disclosure [Abstract] |
Schedule of Tax Based on Income | Taxes based on income were as follows: Schedule of Tax Based on Income
|  |  | 2025 |  |  |  | 2024 |
|  |  | December 31, |
|  |  | 2025 |  |  |  | 2024 |
Current: |  | $ | - |  |  | $ | - |
U.S. federal tax |  |  | - |  |  |  | - |
State taxes |  | $ | - |  |  | $ | - |
Deferred: |  |  |  |  |  |  |  |
U.S. federal tax |  | $ | - |  |  | $ | - |
State tax |  |  | - |  |  |  | - |
|  | $ | - |  |  | $ | - |
Provision for income taxes |  | $ | - |  |  | $ | - |
Schedule of Significant Components of Deferred Tax Assets and Liabilities | Deferred taxes reflect the temporary differences between the amounts at which assets and liabilities are recorded for financial reporting purposes and the amounts utilized for tax purposes. The primary components of the temporary differences that gave rise to our deferred tax assets and liabilities were as follows: Schedule of Significant Components of Deferred Tax Assets and Liabilities
|  | 2025 |  |  | 2024 |
|  | December 31, |
|  | 2025 |  |  | 2024 |
Deferred tax assets: |  |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 59,358 |  |  | $ | 57,763 |
Stock-based compensation |  |  | 3,690 |  |  |  | 3,192 |
Federal R&D credit |  |  | 2,120 |  |  |  | 2,222 |
Impairment |  |  | 1,146 |  |  |  | 1,148 |
Accrued expenses |  |  | - |  |  |  | 53 |
Capitalized research expenses |  |  | 2,217 |  |  |  | 3,145 |
Intangibles |  |  | 186 |  |  |  | 237 |
Right of use asset/liabilities |  |  | 32 |  |  |  | 32 |
Depreciation |  |  | 243 |  |  |  | - |
Other |  |  | 1 |  |  |  | 15 |
Total deferred tax assets |  |  | 68,993 |  |  |  | 67,807 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Depreciation |  |  | - |  |  |  | (431 | )
Total deferred tax liabilities |  |  | - |  |  |  | (431 | )
Less valuation allowance |  |  | (68,993 | ) |  |  | (67,376 | )
Net deferred tax liability |  | $ | - |  |  | $ | - |
Schedule of Operating Losses and Tax Credit Carryforwards | Schedule of Operating Losses and Tax Credit Carryforwards
(in millions) |  | Operating Losses |  |  | Tax Credits |
Year of expiry: |  |  |  |  |  |  |  |
2026 |  | $ | 5.1 |  |  | $ | 0.2 |
2027 |  |  | 11.5 |  |  |  | 0.2 |
2028 |  |  | 15.3 |  |  |  | 0.5 |
2029 |  |  | 15.9 |  |  |  | 0.3 |
2030-2037 |  |  | 114.8 |  |  |  | 0.9 |
Indefinite life / no expiry |  |  | 75.3 |  |  |  | 0.0 |
Total |  | $ | 237.9 |  |  | $ | 2.1 |
Schedule of Reconciliation Statutory Federal Income Tax Provision to Actual Income Tax Benefit | The principal items accounting for the difference between taxes computed at the U.S. federal statutory rate and taxes recorded were as follows (in thousands) after the adoption of ASU 2023-09: Schedule of Reconciliation Statutory Federal Income Tax Provision to Actual Income Tax Benefit
|  | 2025 |  |  | 2024 |
|  | Year Ended December 31, 2025 |
|  | Amount |  |  | Percent |
U.S. federal statutory tax rate |  | $ | (2,176 | ) |  |  | (21.00 | )%
State and local income taxes, net of federal income tax effect |  |  | - |  |  |  | 0.00 | %
Foreign tax effects |  |  | - |  |  |  | 0.00 | %
Effect of changes in tax laws or rates enacted in the current period |  |  | - |  |  |  | 0.00 | %
Effect of cross-border tax laws |  |  | - |  |  |  | 0.00 | %
Tax credits: |  |  |  |  |  |  |  |
Research and development tax credits |  |  | 102 |  |  |  | 0.99 | %
Changes in valuation allowances |  |  | 1,617 |  |  |  | 15.60 | %
Nontaxable or nondeductible items: |  |  |  |  |  |  |  |
Change in value – warrants |  |  | 26 |  |  |  | 0.25 | %
Other |  |  | 6 |  |  |  | 0.06 | %
Changes in unrecognized tax benefits |  |  | - |  |  |  | 0.00 | %
Other adjustments |  |  | 425 |  |  |  | 4.10 | %
Effective tax rate |  | $ | - |  |  |  | - |
The principal items accounting for the difference between taxes computed at the U.S. federal statutory rate and taxes recorded were as follows (in thousands) for the year prior to the adoption of ASU 2023-09:
|  | Year Ended December 31, 2024 |
Pre-tax book income tax at statutory rate |  | $ | (2,315 | )
State taxes, net of federal benefit |  |  | (482 | )
Return to provision |  |  | - |
Equity related expenses |  |  | (614 | )
Deferred adjustments |  |  | - |
Expiration of R&D credits |  |  | - |
Change in valuation allowance |  |  | 3,409 |
Other |  |  | 2 |
Total income tax expense |  | $ | - |
The following is a reconciliation of the expected statutory federal income tax rate to the actual effective tax rate (in thousands):
|  | 2024 |
|  | Year Ended December 31, 2024 |
Federal statutory rate |  |  | (21.0 | )%
State taxes, net of federal benefit |  |  | (4.3 | )%
Return to provision |  |  | 0.0 | %
Equity related expenses |  |  | (5.6 | )%
Deferred adjustments |  |  | 0.0 | %
Expiration of R&D credits |  |  | 0.0 | %
Change in valuation allowance |  |  | 30.9 | %
Total income tax expense |  |  | 0.0 | %
Schedule of Income Loss Before Taxes | Income/(loss) before taxes from our U.S. operations was follows: Schedule of Income Loss Before Taxes
|  | 2025 |  |  | 2024 |
U.S. |  | $ | (10,364 | ) |  | $ | (11,024 | )
Foreign |  |  | - |  |  |  | - |
Income before taxes |  | $ | (10,364 | ) |  | $ | (11,024 | )
Schedule of Income Taxes Paid | Schedule of Income Taxes Paid
|  | Year Ended December 31, 2025 |
Federal |  | $ | - |
State and local |  |  | - |
Foreign |  |  | - |
Total income taxes paid (net of refunds received) |  | $ | - |

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