Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the U.S. federal statutory income tax rate to the Company’s effective income tax rate is as follows:

	Year Ended December 31,
	2024				2023
Federal statutory income tax rate		21.0		%		21.0		%
State income tax, net of federal benefit		1.5		%		2.2		%
Federal and state research and development    tax credits		2.9		%		2.1		%
Change in fair value of warrant liabilities		(5.1	)	%		(4.8	)	%
Stock-based compensation		(2.1	)	%		(1.1	)	%
Non-deductible items		(0.4	)	%		(0.1	)	%
State rate change		(0.5	)	%		1.3		%
Uncertain tax positions		(0.6	)	%		(2.2	)	%
Other		—		%		0.4		%
Change in deferred tax asset valuation    allowance		(16.7	)	%		(18.8	)	%
Effective income tax rate		0.0		%		0.0		%

Schedule of Net Deferred Tax Assets

The Company’s net deferred tax assets consisted of the following:

	December 31,
	2024			2023
	(in thousands)
Deferred tax assets:
NOL carryforwards	$	39,470		$	35,419
Capitalized research and development    expenditures		10,728			8,281
Research and development tax credit    carryforwards		5,425			4,148
Stock-based compensation		2,892			2,735
Operating lease liabilities		1,687			1,007
Accruals and other temporary differences		2,429			1,256
Total deferred tax assets		62,631			52,846
Valuation allowance		(61,023	)		(51,903	)
Deferred tax assets		1,608			943
Deferred tax liabilities:
Operating lease right-of-use asset		(1,545	)		(888	)
Other		(63	)		(55	)
Total deferred tax liabilities		(1,608	)		(943	)
Net deferred tax assets	$	—		$	—

Schedule of Changes in Valuation Allowance for Deferred Tax Assets

Changes in the valuation allowance for deferred tax assets related primarily to the increase in NOL carryforwards and research and development tax credit carryforwards and were as follows:

	Year Ended December 31,
	2024		2023
	(in thousands)
Valuation allowance as of beginning of year	$	51,903	$	43,632
Increases		9,120		8,271
Valuation allowance as of end of year	$	61,023	$	51,903

Schedule of Changes in Unrecognized Tax Benefits

The changes in the Company’s unrecognized tax benefits are summarized as follows:

	December 31,
	2024		2023
	(in thousands)
Beginning balance	$	1,053	$	—
Increases related to prior year tax positions		—		854
Increases related to current year tax positions		348		199
Ending balance	$	1,401	$	1,053