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Note 6 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		Year ended December 31,
		2023				2022
Current:
State		$	27			$	19
Foreign			623				617
			650				636
Deferred:
Federal			1,466				(661	)
Foreign			(165	)			(301	)
			1,301				(962	)
Total income tax (benefit) provision		$	1,951			$	(326	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		December 31,
		2023				2022
Deferred tax assets:
Net operating loss carryforwards		$	8,515			$	11,460
Research and development			3,536				2,812
Tax credit carryforwards			2,898				2,600
Accrued expenses, reserves and other			2,909				2,419
Intangible assets			1,596				1,521
Total deferred tax assets			19,454				20,812
Valuation allowance for deferred tax assets			(2,441	)			(2,416	)
Net deferred tax assets			17,013				18,396
Deferred tax liabilities:
Intangible assets			(8,095	)			(8,176	)
Accrued expenses, reserves and other			(65	)			(68	)
Total deferred tax liabilities			(8,160	)			(8,244	)
Net deferred tax assets		$	8,853			$	10,152

Schedule of Net Deferred Tax Liabilities [Table Text Block]

		December 31,
		2023				2022
Deferred tax assets, net		$	10,567			$	12,069
Deferred tax liabilities			(1,714	)			(1,917	)
		$	8,853			$	10,152

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

		Year ended December 31,
		2023				2022
United States		$	7,294			$	(2,771	)
Foreign			1,823				2,325
		$	9,117			$	(446	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		Year ended December 31,
		2023				2022
Statutory income tax rate			21	%			21	%
Increase (decrease) in tax provision resulting from:
Equity compensation			0.4				(29.7	)
Global intangible low-taxed income			1.4				(73.1	)
China R&D deduction			(1.0	)			20.6
Income tax credits			(3.3	)			81.0
Foreign tax rate change			-				18.3
Foreign tax rates			1.7				11.5
States taxes			0.8				(3.4	)
Other			0.4				26.9
Effective income tax rate			21.4	%			73.1	%

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