Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

	Year ended December 31,
	2020			2019
Current:
State	$	23		$	43
Foreign		283			203
		306			246
Deferred:
Federal		1,673			1,236
Foreign		(287	)		(25	)
		1,386			1,211
Total income tax provision	$	1,692		$	1,457

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

	December 31,
	2020			2019
Deferred tax assets:
Net operating loss carryforwards		12,481			14,579
Tax credit carryforwards		2,070			1,907
Intangible assets		1,352			1,283
Accrued expenses, reserves and other		2,176			2,265
Research and development		984			-
Total deferred tax assets		19,063			20,034
Valuation allowance for deferred tax assets		(1,942	)		(1,942	)
Net deferred tax assets		17,121			18,092
Deferred tax liabilities:
Property, plant and equipment		(262	)		(342	)
Intangible assets		(5,538	)		(5,087	)
Total deferred tax liabilities		(5,800	)		(5,429	)
Net deferred tax assets	$	11,321		$	12,663

Schedule of Net Deferred Tax Liabilities [Table Text Block]

	December 31,
	2020			2019
Deferred tax assets	$	11,836		$	13,222
Deferred tax liabilities		(515	)		(559	)
	$	11,321		$	12,663

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

	Year ended December 31,
	2020		2019
United States	$	6,586	$	5,992
Foreign		437		779
	$	7,023	$	6,771

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

	Year ended December 31,
	2020			2019
Statutory income tax rate		21	%		21	%
Increase (decrease) in tax provision resulting from:
Equity compensation		4.5			(0.4	)
Income tax credits		(2.3	)		(0.4	)
Foreign tax rates		0.1			(0.5	)
Other		0.8			1.8
Effective income tax rate		24.1	%		21.5	%