Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Components of Deferred Tax Assets and Liabilities

The tax effect of temporary differences and net operating loss carryforwards that give rise to significant portions of the deferred tax assets and deferred tax liabilities as of December 31, 2024 and 2023 are presented below (in thousands).

	December 31,
	2024			2023
Deferred tax assets:
U.S. Federal and state net operating loss carryforwards	$	15,819		$	13,804
Foreign net operating loss carryforwards		7,310			7,819
Research and development tax credits		341			341
Share-based compensation		346			269
Capitalized research expenses		6,967			6,515
Other		180			926
Total deferred tax assets		30,963			29,674
Less: valuation allowance		(30,963	)		(29,674	)
Net deferred tax assets	$	—		$	—

Income Taxes Recorded Differed from Amounts Computed

Income taxes recorded differed from the amounts computed by applying the U.S. Federal income tax rate of 21% to loss before income taxes as a result of the following (in thousands).

	December 31,
	2024			2023
Computed “expected” Federal tax benefit	$	(2,265	)	$	(4,716	)
(Increase) reduction in income taxes benefit resulting from:
Change in valuation allowance		1,436			5,987
Foreign income inclusion		295			(21	)
State and local income benefit, net of Federal income tax benefit		(434	)		(1,693	)
Permanent differences		1,004			840
Other, net		(36	)		(397	)
Income tax benefit	$	—		$	—