Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	Year ended December 31,
	2019		2018		2017
	(in thousands)
United States	$	17,989	$	22,256	$	17,778
Foreign		3,690		6,188		3,328
Total	$	21,679	$	28,444	$	21,106

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

	Year ended December 31,
	2019		2018			2017
			(in thousands)
Current:
Federal	$	1,501	$	4,262		$	2,451
State		304		673			292
Foreign		1,116		2,718			886
		2,921		7,653			3,629
Deferred:
Federal		538		(1,512	)		(268	)
State		144		(145	)		390
Foreign		142		(495	)		178
		824		(2,152	)		300
Provision for income taxes	$	3,745	$	5,501		$	3,929

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	2019		2018		2017
	(in thousands)
Unrecognized tax benefits at the beginning of year	$	711	$	525	$	390
Additions for tax positions of current year		74		73		83
Additions for tax positions of prior years		63		113		57
Reductions for settlements with taxing authorities.		-		-		-
Reductions for lapses of the applicable statutes of limitations		-		-		(5	)
Unrecognized tax benefits at the end of the year	$	848	$	711	$	525

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

	As of December 31,
	2019			2018
	(in thousands)
Deferred tax assets:
Inventory	$	840		$	976
Net operating loss carryforwards		1,289			1,421
Tax credit carryforwards		944			828
Capital loss carryforwards		277			279
Reserves and accruals		787			802
Operating lease liabilities		3,343			-
Intangible assets		2,764			2,737
Stock options		342			373
Other		20			91
Total deferred tax assets		10,606			7,507
Deferred tax liabilities:
Property and equipment		(1,520	)		(1,416	)
Goodwill		(3,459	)		(3,023	)
Operating lease right-of-use assets		(3,224	)		-
Foreign branch deferred offset		(923	)		(1,032	)
Other		(187	)		(50	)
Total deferred tax liabilities		(9,313	)		(5,521	)
Net deferred tax assets before valuation allowance		1,293			1,986
Valuation allowance		(1,388	)		(1,255	)
Net deferred tax liabiltity	$	(95	)	$	731
Deferred tax classification
Long-term deferred tax asset	$	1,084		$	1,215
Long-term deferred tax liability		(1,179	)		(484	)
Net long-term deferred tax liability	$	(95	)	$	731

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

	2019			2018			2017
Federal statutory rate		21.0	%		21.0	%		35.0	%
State tax, net of federal benefit		1.9	%		1.4	%		1.7	%
Effect of foreign taxes		2.1	%		3.8	%		(0.6%	)
Federal tax on foreign income		0.8	%		1.4	%		1.7	%
Valuation allowance		0.6	%		(3.2%	)		0.1	%
Foreign deferred tax liability offset		(0.4%	)		(0.3%	)		(0.2%	)
Manufacturing deduction		0.0	%		0.0	%		(1.5%	)
Research & development tax credits		(1.2%	)		(0.7%	)		(0.6%	)
Stock options		(8.8%	)		(3.3%	)		(15.8%	)
Uncertain tax positions		1.0	%		0.8	%		0.6	%
Other permanent differences		0.5	%		(0.7%	)		1.0	%
Change in tax laws		0.0	%		0.0	%		2.9	%
Deferred tax remeasurement		0.0	%		0.0	%		(5.0%	)
Other		(0.2%	)		(0.9%	)		(0.7%	)
Effective tax rate		17.3	%		19.3	%		18.6	%

Summary of Income Tax Examinations [Table Text Block]

United States	2016 and forward
Foreign	2012 and forward