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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Taxes

Schedule of consolidated income before taxes for domestic and foreign operations

		Year ended December 31,
		2023				2022
Domestic		$	1,043			$	28,754
Foreign			(1,169	)			(1,294	)
Total		$	(126	)		$	27,460

Schedule of components of (provision) for income taxes

		Year ended December 31,
		2023				2022
Current:
Federal		$	(131	)		$	(6,753	)
State			(219	)			(98	)
Foreign			(84	)			(53	)
Total current			(434	)			(6,904	)
Deferred:
Federal			(43	)			1,132
State			78				(976	)
Foreign			293				165
Total			328				321
Change in valuation allowance			(328	)			(321	)
Total deferred			—				—
Tax provision		$	(434	)		$	(6,904	)

Schedule of income tax (provision) differs from that computed at the federal statutory corporate income tax rate

		Year ended December 31,
		2023				2022
Tax benefit (provision) at federal statutory rate		$	26			$	(5,768	)
State income tax benefit (provision), net of federal benefit			(10	)			(1,093	)
Research and development tax credits			66				457
Foreign earnings or losses taxed at different rates			(72	)			(68	)
Tax rate change			(116	)			(60	)
Other			—				(51	)
Change in valuation allowance			(328	)			(321	)
Tax benefit (provision)		$	(434	)		$	(6,904	)

Schedule of tax effects of significant temporary differences representing net deferred tax assets and liabilities

		2023				2022
Deferred revenue		$	3			$	11
Basis difference in intangible assets			6,080				6,604
Inventory reserve			880				2,258
Net operating loss carryforwards			4,730				3,075
Research and development tax credits			115				48
Accrued expenses			108				120
Stock-based compensation			210				215
Allowance for sales returns and doubtful accounts			81				81
Difference in property and equipment basis			(108	)			(83	)
Convertible debt			(110	)			(110	)
Capitalized research expenditure			1,507				922
Other			337				364
Total net deferred income tax asset			13,833				13,505
Less: Valuation allowance			(13,833	)			(13,505	)
Net deferred income tax asset (liability)		$	—			$	—

Schedule of reconciliation of the beginning and ending amount of liabilities associated with uncertain tax positions

		Year ended December 31,
		2023				2022
Balance - beginning of year		$	962			$	895
Additions based on tax positions related to the current year			18				75
Reductions for tax positions of prior years			(5	)			—
Lapse in statutes of limitations			(7	)			(8	)
Uncertain tax positions, ending balance		$	968			$	962

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of the change in unrecognized tax benefits.

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