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Income Taxes (Tables)

12 Months Ended

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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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of tax credit carryforwards available to reduce future taxable income, including amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances.

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