Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Summary of Components of Income (Loss) before Income Taxes

The following table presents U.S. and foreign components of income (loss) before income taxes (in thousands):

	Year Ended December 31,
	2025			2024			2023
U.S.	$	(9,263	)	$	41,729		$	(40,349	)
Foreign		(1,653	)		(734	)		(3,339	)
Income (loss) before income taxes	$	(10,916	)	$	40,995		$	(43,688	)

Summary of Income Tax Payments and Refunds

The following table presents income taxes paid, net of refunds received (in thousands):

	Year Ended December 31,
	2025		2024		2023
U.S. - Federal	$	—	$	—	$	—
U.S. - State
Alabama		2		40		—
Texas		129		164		49
Other State		15		18		22
Total U.S. - State		146		222		71
Foreign
Brazil		318		217		253
Finland		—		208		89
United Kingdom		116		41		50
Other Foreign		53		31		44
Total Foreign		487		497		436
Total Income Taxes Paid	$	633	$	719	$	507

Summary of Income Tax Expense

The following table presents the detail of income tax benefit (expense) for the periods presented (in thousands):

	Year Ended December 31,
	2025			2024			2023
Current:
U.S. - Federal	$	—		$	—		$	—
U.S. - State		(32	)		(212	)		(163	)
Foreign		(295	)		(512	)		(446	)
Total current taxes		(327	)		(724	)		(609	)
Deferred:
U.S. - Federal		—			—			(53	)
U.S. - State		(3	)		3			—
Foreign		399			564			984
Total deferred taxes		396			567			931
U.S. - Federal		—			—			(53	)
U.S. - State		(35	)		(208	)		(163	)
Foreign		104			51			538
Total income tax benefit (expense)	$	69		$	(157	)	$	322

Reconciliation of U.S. Federal Statutory Income Tax Rate to Effective Income Tax Rate

The following table presents a reconciliation of the federal statutory rate and our effective tax rate for the periods presented:

	Year Ended December 31,
	2025					2024					2023
At Statutory Rate	$	(2,292	)	21.0	%	$	8,609		21.0	%	$	(9,174	)	21.0	%
State Income Taxes, net of Federal Effect		28		(0.3	)		165		0.4			129		(0.3	)
Change in Valuation Allowance		6,761		(61.9	)		12,159		29.7			18,167		(41.6	)
Nontaxable or Nondeductible Items
Equity Compensation		(3,785	)	34.7			(15,480	)	(37.8	)		(4,531	)	10.4
Debt Issuance Costs		(407	)	3.7			—		—			—		—
Other Nondeductible Items		117		(1.1	)		252		0.6			752		(1.7	)
Inducement Premium		3,155		(28.9	)		—		—			—		—
Changes in Tax Laws or Rates		—		—			—		—			—		—
Tax Credits
R&D Credits		(5,049	)	46.3			(8,223	)	(20.1	)		(8,137	)	18.6
Other Tax Credits		6		(0.1	)		15		—			—		—
Cross-Border Tax Laws
Foreign Inclusions		(108	)	1.0			501		1.2			239		(0.6	)
Worldwide Changes in UTB		1,262		(11.6	)		2,056		5.0			2,034		(4.7	)
Other		—		—			—		—			35		(0.1	)
Foreign Tax Effects
Brazil
Nondeductible Item		218		(2.0	)		151		0.4			101		(0.2	)
Other Brazil		44		(0.4	)		25		0.1			56		(0.1	)
Other Foreign Jurisdictions		(19	)	0.2			(73	)	(0.2	)		7		(0.02	)
	$	(69	)	0.6	%	$	157		0.4	%	$	(322	)	0.7	%

In 2025, state and local income taxes in North Carolina and Kentucky comprise the majority of state and local income taxes, net of federal effect. Texas comprised the majority of our 2023 and 2024 state and local income taxes, net of federal effect.

Summary of Significant Components Deferred Tax Assets and Liabilities

The following table presents the significant components of our deferred tax assets and liabilities as of the dates presented (in thousands):

	December 31, 2025			December 31, 2024
Net operating loss carryforwards	$	58,720		$	40,760
Credit carryforwards		32,903			29,123
Capitalized research and development		35,185			46,318
Operating lease liabilities		4,873			1,873
Allowances		1,358			4,323
Deferred revenue		129			15
Stock-based compensation		4,584			5,753
Inventory cost capitalization		1,266			1,655
Other		16			—
Deferred tax assets		139,034			129,820
Less: Valuation allowance		(132,939	)		(126,102	)
Net deferred tax assets		6,095			3,718
Deferred tax liability:
Goodwill		(823	)		(820	)
Depreciation and amortization		(2,973	)		(3,683	)
Operating lease ROU assets		(4,361	)		(1,415	)
Deferred tax liabilities		(8,157	)		(5,918	)
Net deferred tax liability	$	(2,062	)	$	(2,200	)

Summary of Change in the Valuation Allowance

The following table presents a reconciliation of the total change in the valuation allowance (in thousands):

	December 31, 2025			December 31, 2024
Beginning Balance	$	(126,102	)	$	(114,040	)
Change charged to income tax expense		(6,837	)		(12,062	)
Ending Balance	$	(132,939	)	$	(126,102	)

Total Balance of Unrecognized Tax Benefits

The following table presents the total balance of unrecognized tax benefits as of the dates presented (in thousands):

	Year Ended December 31,
	2025		2024		2023
Balance at beginning of period	$	9,696	$	7,640	$	5,606
Gross increase to tax positions in current periods		1,262		2,056		2,034
Balance at end of period	$	10,958	$	9,696	$	7,640