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Note 16 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

		Years ended December 31,
		2016				2015				2014
Income before income taxes
Domestic		$	50,181			$	48,608			$	63,232
Foreign			689				(354	)			(1,727	)
		$	50,870			$	48,254			$	61,505

		Years ended December 31,
		2016				2015				2014
Provision for (benefit from) income taxes:
Current provision:
Federal		$	14,982			$	14,572			$	18,301
State			3,265				3,635				3,895
Foreign			302				249				192
			18,549				18,456				22,388
Deferred provision:
Federal			(70	)			(370	)			1,153
State			(84	)			(33	)			122
Foreign			(72	)			(557	)			(477	)
			(226	)			(960	)			798
Total provision		$	18,323			$	17,496			$	23,186

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

		December 31,
		2016				2015
Deferred tax assets:
Net operating loss carry forward, foreign		$	1,253			$	1,567
Stock-based compensation expense			1,882				1,043
Foreign currency exchange			677				762
Accrued expenses and other			308				510
Inventory reserve			640				547
Deferred tax assets		$	4,760			$	4,429

		December 31,
		2016				2015
Deferred tax liabilities:
Acquisition-related Intangibles		$	(2,932	)		$	(3,738	)
Depreciation			(8,376	)			(7,466	)
Deferred tax liabilities		$	(11,308	)		$	(11,204	)
Net deferred tax liabilities		$	(6,548	)		$	(6,775	)

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

		Years ended December 31,
		2016				2015				2014
Statutory federal income tax rate			35.0	%			35.0	%			35.0	%
State tax expense, net of federal benefit			4.5	%			4.8	%			4.9	%
Permanent items, including nondeductible expenses			0.5	%			(0.3	%)			0.1	%
State investment tax credit			(0.1	%)			0.0	%			(0.1	%)
Federal, state and foreign research and development credits			(0.9	%)			(0.4	%)			(0.7	%)
Foreign rate differential			(0.1	%)			0.1	%			0.2	%
Domestic production deduction			(2.9	%)			(2.9	%)			(1.7	%)
Effective income tax rate			36.0	%			36.3	%			37.7	%

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

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