Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	Years Ended December 31,
	2016		2015
Domestic	$	3,345	$	1,868
Foreign		862		715
Total	$	4,207	$	2,583

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

	Years Ended December 31,
	2016			2015
Current
Domestic -- Federal	$	1,295		$	523
Domestic -- state		74			45
Foreign		45			(14	)
Total	$	1,414		$	554
Deferred
Domestic -- Federal	$	(39	)	$	12
Domestic -- state		10			(9	)
Foreign		164			165
Total		135			168
Income tax expense	$	1,549		$	722

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

	December 31,
Deferred tax assets:	2016			2015
Depreciation of property and equipment	$	580		$	580
Intangibles		311			279
Inventories		182			186
Accrued vacation pay and stock-based compensation		161			151
Net operating loss ("NOL") (state and foreign)		71			264
Allowance for doubtful accounts		55			55
Acquisition costs		28			31
Accrued warranty		9			5
Other		7			13
Total		1,404			1,564
Valuation allowance		-			(15	)
Deferred tax assets		1,404			1,549
Deferred tax liabilities:
Net intangible assets		(212	)		(222	)
Unremitted earnings of foreign subsidiaries		(82	)		(82	)
Deferred tax liabilities		(294	)		(304	)
Net deferred tax assets	$	1,110		$	1,245

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

	Years Ended December 31,
	2016			2015
Expected income tax provision at U.S. statutory rate	$	1,430		$	878
Increase (decrease) in tax from:
Foreign income tax rate differences		(258	)		(64	)
Current year tax credits (foreign and research)		(140	)		(207	)
Domestic production activities deduction		(112	)		(68	)
Changes in valuation allowance		(15	)		(85	)
Deemed dividend from foreign subsidiaries		396			151
NOL carryforwards utilized		180			99
Domestic tax expense, net of Federal benefit		55			33
Nondeductible expenses		14			15
Other		(1	)		(30	)
Income tax expense	$	1,549		$	722