Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Current and Deferred Tax Provision

A summary of the Company’s current and deferred tax provision is as follows:

	Year Ended December 31,
	2024			2023
Current income tax expense:
Federal	$	—		$	—
State		—			10
Total current income tax expense		—			10
Deferred income tax expense (benefit):
Federal		1			1
State		(1	)		(1	)
Total deferred tax expense		—			—
Total income tax expense	$	—		$	10

Schedule of Reconciliation of the U.S federal statutory income tax

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 taxes, net of federal benefits		(1.3	)%		1.4	%
Interest accretion expense		0.1	%		11.0	%
Change in valuation allowance		(20.1	)%		(20.0	)%
Mark to market warrant		—	%		0.5	%
Deferred true-up		(0.1	)%		(2.4	)%
Impairment		—	%		(12.0	)%
Other permanent items		0.4	%		0.5	%
Effective income tax rate		—	%		—	%

Schedule of Deferred tax assets and liabilities

Net deferred income tax liabilities as of December 31, 2024 and 2023 consisted of the following:

	Year Ended December 31,
	2024			2023
Deferred tax assets:
Net operating loss carryforwards	$	121,804		$	109,544
Research and development tax credit carryforwards		5,674			5,674
Stock-based compensation expense		17,717			16,539
Startup costs		431			498
Intangible assets		3,028			3,442
Deferred revenue		1,469			1,441
Unicap		5			5
Imputed interest on contingent payments		97			110
Legal fee capitalization and amortization		1,053			1,171
Capitalized research and development		22,903			26,613
IRC Section 163j interest		1,471			—
Other		5,755			4,751
Total deferred tax assets		181,407			169,788
Valuation allowance		(181,416	)		(169,797	)
Net deferred tax liabilities	$	(9	)	$	(9	)

Schedule of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

	Unrecognized Tax Benefits
Balance at January 1, 2023	$	1,028
Decrease related to current year tax provision		—
Balance at December 31, 2023		1,028
Decrease related to current year tax provision		—
Balance at December 31, 2024	$	1,028