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Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		Year ended December 31,
		2021				2020
Current:
State		$	16			$	23
Foreign			210				283
			226				306
Deferred:
Federal			(158	)			1,673
Foreign			11				(287	)
			(147	)			1,386
Total income tax provision		$	79			$	1,692

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

		December 31,
		2021				2020
Deferred tax assets:
Net operating loss carryforwards		$	12,567			$	12,481
Tax credit carryforwards			2,239				2,070
Intangible assets			1,412				1,352
Accrued expenses, reserves and other			1,996				2,176
Research and development			1,999				984
Total deferred tax assets			20,213				19,063
Valuation allowance for deferred tax assets			(2,697	)			(1,942	)
Net deferred tax assets			17,516				17,121
Deferred tax liabilities:
Property, plant and equipment			(79	)			(262	)
Intangible assets			(8,219	)			(5,538	)
Total deferred tax liabilities			(8,298	)			(5,800	)
Net deferred tax assets		$	9,218			$	11,321

Schedule of Net Deferred Tax Liabilities [Table Text Block]

		December 31,
		2021				2020
Deferred tax assets		$	11,472			$	11,836
Deferred tax liabilities			(2,254	)			(515	)
		$	9,218			$	11,321

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

		Year ended December 31,
		2021				2020
United States		$	(704	)		$	6,586
Foreign			553				437
		$	(151	)		$	7,023

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

		Year ended December 31,
		2021				2020
Statutory income tax rate			21	%			21	%
Increase (decrease) in tax provision resulting from:
Equity compensation			11.6				4.5
Acquisition-related costs			(34.7	)
Income tax credits			72.7				(2.3	)
Foreign tax rate change			(89.7	)			-
Foreign tax rates			(15.5	)			0.1
States taxes			(10.8	)			0.3
Other			(7.0	)			0.5
Effective income tax rate			(52.4	)%			24.1	%

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