Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities

Deferred income taxes reflect the net effect of temporary differences between the financial reporting carrying amounts of assets and liabilities and income tax carrying amounts of assets and liabilities. The components of the Company’s deferred tax assets and liabilities, all of which are long-term, are as follows (in thousands):

	December 31,
	2024			2023
Deferred tax assets:
Net operating loss carryforwards	$	72,648		$	74,752
Tax credit carryforwards		30,629			30,721
Equipment, furnishings and other		1,872			7
Total deferred tax assets		105,149			105,480
Deferred tax liabilities		—			—
Net deferred tax assets		105,149			105,480
Valuation allowance		(105,149	)		(105,480	)
	$	—		$	—

Schedule of Effective Income Tax Rate Reconciliation

The provision for income taxes differs from the provision computed by applying the Federal statutory rate to net loss before income taxes as follows (in thousands):

	Years ended December 31,
	2024			2023
Federal benefit at statutory rate	$	(334	)	$	84
State benefit, net of Federal taxes		(29	)		35
Capitalized R & D		145			—
Prepaid and accrued expenses		53			—
Other permanent differences		184			(189	)
Provision related to change in valuation allowance					(7	)
Federal rate adjustment		—			—
NQ Options		—			—
Current year tax credit		—			—
NOL Adjustments		—			—
Termination/Cancellation of Equity Compensation Awards		—			—
Return to provision		(19	)		77
Other, net		—			—
	$	—		$	—