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Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

		Year ended December 31,
		2022				2021
Current:
State			19			$	16
Foreign			617				210
			636				226
Deferred:
Federal			(661	)			(158	)
Foreign			(301	)			11
			(962	)			(147	)
Total income tax (benefit) provision		$	(326	)		$	79

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

		December 31,
		2022				2021
Deferred tax assets:
Net operating loss carryforwards		$	11,460			$	12,567
Research and development			2,812				1,999
Tax credit carryforwards			2,600				2,239
Accrued expenses, reserves and other			2,419				1,996
Intangible assets			1,521				1,412
Total deferred tax assets			20,812				20,213
Valuation allowance for deferred tax assets			(2,416	)			(2,697	)
Net deferred tax assets			18,396				17,516
Deferred tax liabilities:
Intangible assets			(8,176	)			(8,219	)
Accrued expenses, reserves and other			(68	)			(79	)
Total deferred tax liabilities			(8,244	)			(8,298	)
Net deferred tax assets		$	10,152			$	9,218

Schedule of Net Deferred Tax Liabilities [Table Text Block]

		December 31,
		2022				2021
Deferred tax assets		$	12,069			$	11,472
Deferred tax liabilities			(1,917	)			(2,254	)
		$	10,152			$	9,218

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

		Year ended December 31,
		2022				2021
United States		$	(2,771	)		$	(704	)
Foreign			2,325				553
		$	(446	)		$	(151	)

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

		Year ended December 31,
		2022				2021
Statutory income tax rate			21	%			21	%
Increase (decrease) in tax provision resulting from:
Equity compensation			(29.7	)			11.6
Acquisition-related costs			-				(34.7	)
Global intangible low-taxed income			(73.1	)			-
China R&D deduction		20.6					48.2
Income tax credits			81.0				72.7
Foreign tax rate change			18.3				(89.7	)
Foreign tax rates			11.5				(15.5	)
States taxes			(3.4	)			(10.8	)
Other			26.9				(55.1	)
Effective income tax rate			73.1	%			(52.3	)%

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