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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Schedule of Loss before Income Taxes

The Company’s income (loss) before income taxes for the years ended December 31, 2025 and 2024 is comprised of the following (in thousands):

			Year Ended December 31,
			2025						2024
Domestic			$	1,102					$	(13,883)
Foreign			180						203
Income (loss) before income taxes			$	1,282					$	(13,680)

Schedule of Provision for Income Taxes

The (benefit) provision for income taxes for the years ended December 31, 2025 and 2024 is comprised of the following (in thousands):

			Year Ended December 31,
			2025						2024
Current:
Federal			$	—					$	—
State			(20)						598
Foreign			52						29
Total current			32						627
Deferred:
Federal			12						(43)
State			—						105
Foreign			—						—
Total deferred			12						62
(Benefit) Provision for income taxes			$	44					$	689

Schedule of Net Deferred Tax Assets

The Company’s net deferred tax liabilities consist of the following (in thousands):

			December 31,
			2025						2024
Deferred tax assets:
Accrued expenses			$	2,662					$	4,620
Provision for excess and obsolete inventory			3,961						4,162
Capitalized research and experimental expenditures			9,797						11,216
Convertible debt			464						608
Depreciation and amortization			1,861						2,063
Interest expense limitation			20,307						19,944
Net operating loss and tax credit carryforwards			103,579						97,347
Share-based compensation			1,554						1,533
Operating lease liability			943						985
Other			130						351
Deferred tax assets			145,258						142,829
Valuation allowances			(143,888)						(141,628)
Deferred tax assets, net of valuation allowances			1,370						1,201
Deferred tax liabilities:
Right of use asset			(841)						(710)
Acquired intangible assets			(715)						(665)
Deferred tax liabilities			(1,556)						(1,375)
Deferred tax liabilities, net			$	(186)					$	(174)

Schedule of Provision for Income Taxes Reconciles to Amount Computed by Applying Statutory Federal Income Tax Rate

The (benefit) provision for income taxes reconciles to the amount computed by applying the statutory federal income tax rate of 21% in 2025 and 2024 to loss before income taxes as follows (in thousands, excluding percentages):

			Post-ASU 2023-09 Adoption
			Year Ended December 31,
			2025
			Amount						%
Tax provision at the U.S. federal statutory rate			269						21.0		%
State and local income taxes, net of federal income tax effect			(32)						(2.6)		%
Foreign tax effects:
China
Statutory tax rate difference between China and the U.S.			(26)						(2.1)		%
Other			(5)						(0.4)		%
South Africa
Statutory tax rate difference between South Africa and the U.S.			(8)						(0.6)		%
Change in valuation allowance			35						2.7		%
Other			9						0.7		%
Other foreign jurisdictions			9						0.7		%
Effect of cross-border tax laws:
Foreign income inclusion (Subpart F and GILTI) true-ups			(1,820)						(142.0)		%
Tax credits:
Research and development credits			(335)						(26.1)		%
Changes in valuation allowances			981						76.5		%
Nontaxable or nondeductible items:
Share-based compensation			452						35.2		%
Non-deductible officer compensation			413						32.3		%
Non-deductible expense			46						3.7		%
Other adjustments:
Foreign tax deduction			(70)						(5.5)		%
Other prior year true-up			126						9.9		%
Income tax expense and effective income tax rate			44						3.4		%

			Pre-ASU 2023-09 Adoption
			Year Ended December 31,
			2024
Federal tax benefit, at statutory rate			$	(2,535)
State provision, net of federal benefit			1,374
Foreign tax rate difference			(17)
Foreign income inclusions			6,177
Valuation allowance against future tax benefits			(8,515)
Research and development credits			(1,204)
Share-based compensation			1,989
Disallowance of loss on debt exchanges			3,344
Non-deductible officers compensation			19
True-up of prior year provisions			26
Other			31
Provision for income taxes			$	689

Schedule of Income Taxes Paid (Net Of Refunds Received)

The following table presents supplemental cash flow information related to income taxes paid (net of refunds received):

			Year Ended December 31,
			2025
Federal			—
US state and local:
Illinois			70
Indiana			95
Pennsylvania			185
Texas			88
Other			61
Foreign:
South Africa			833
Other			29
Total income taxes paid (net of refunds received)			1,361

Schedule of Reconciliation in Beginning and Ending Amounts of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows (in thousands):

Balance at December 31, 2023			$	12,639
Increases related to current and prior year tax positions			719
Balance at December 31, 2024			13,358
Increases related to current and prior year tax positions			468
Balance at December 31, 2025			$	13,826

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