Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) Before Income Tax, Domestic and Foreign

Loss before income taxes for the years ended December 31, 2025, and 2024 are as follows (in thousands):

	Year Ended December 31,
	2025		2024
Domestic	$	(64,550)	$	(98,413)
Foreign	1,238		1,905
Total	$	(63,312)	$	(96,508)

Schedule of Components of Income Tax Expense

The components of income tax expense are as follows (in thousands):

	Year Ended December 31,
	2025		2024
Current:
Federal	$	(3,457)	$	—
State	70		34
Foreign	187		314
Total current (benefit) expense	(3,200)		348
Deferred:
Federal	—		135
State	—		—
Foreign	265		54
Total deferred expense	265		189
Total income tax (benefit) expense	$	(2,935)	$	537

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation between the U.S. federal statutory rate and the Company’s effective tax rate for tax year 2025 after the adoption of ASU 2023-09 is as follows (in thousands, except percentages):

	Year Ended December 31,
	2025
Tax at U.S. federal statutory tax rate	$	(13,296)	21.0	%
State and local income taxes, net of federal income tax effect*	57		(0.1)	%
Foreign tax effects	455		(0.7)	%
Effects of cross-border tax laws
Global intangible low-taxed income	195		(0.3)	%
Subpart F income	2		—	%
Tax credits
Research and development credits	4,069		(6.4)	%
Changes in Valuation Allowances	8,932		(14.1)	%
Nontaxable or deductible items
Stock-based and non-deductible employee compensation	(1,221)		1.9	%
Other	258		(0.4)	%
Changes in unrecognized tax benefits	(1,359)		2.1	%
Other
2017 and 2018 IRS examination resolution	(3,720)		5.9	%
Return-to-provision adjustment	2,695		(4.3)	%
Other	(2)		—	%
Total tax provision (benefit)	$	(2,935)	4.6	%

*State taxes in Massachusetts for 2025 made up the majority (greater than 50%) of the tax effect in this category.

A reconciliation between the U.S. federal statutory rate and the Company’s effective tax rate for the tax year 2024 prior to the adoption of ASU 2023-09 is as follows:

	Year Ended December 31,
	2024
Tax at U.S. federal statutory rate	$	(20,267)	21.0	%
State income taxes, net of federal benefit	23		—	%
Stock-based compensation	7,213		(7.5)	%
Foreign rate differential	10		—	%
Fair value changes - warrants	(22)		—	%
Valuation allowance	13,174		(13.7)	%
Non-deductible expenses	39		—	%
Other	367		(0.4)	%
Total tax provision	$	537	(0.6)	%

Schedule of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax assets and liabilities for federal, state and foreign income taxes are as follows (in thousands):

	Year Ended December 31,
	2025		2024
Deferred tax assets:
Net operating loss carryforwards	$	242,635	$	200,050
Credits	7,637		9,863
Stock-based compensation	601		2,118
Accruals and reserves	4,121		4,296
Deferred revenue	4,284		5,163
Fixed assets	—		1,689
Operating lease liability	3,947		5,086
Capitalized research and development expenditures	8,092		37,291
Gross deferred tax assets	271,317		265,556
Valuation allowance	(266,186)		(259,698)
Net deferred tax assets	5,131		5,858
Deferred tax liabilities:
Fixed assets	(227)		—
Intangible property	(1,823)		(3,022)
Operating lease, right of use assets	(3,081)		(2,571)
Gross deferred tax liabilities	(5,131)		(5,593)
Net deferred tax assets	$	—	$	265

Schedule of Net Cash Paid (Refunds Received) for Income Taxes

Net cash paid (refunds received) for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2025
U.S. Federal	$	(857)
U.S. state and local jurisdictions	22
Foreign
United Kingdom	(282)
China	263
Netherlands	180
Canada	(61)
Other	50
Net cash paid (refunds received) for income taxes	$	(685)

Schedule of Unrecognized Tax Benefits

The following table sets forth the change in the uncertain tax positions for the years ended December 31, 2025 and 2024 (in thousands):

	Year Ended December 31,
	2025		2024
Balance at the beginning of the year	$	24,755	$	24,755
Decreases:
For prior years’ tax positions	(1,355)		—
Balance at the end of the year	$	23,400	$	24,755