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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Pre-Tax Income (Loss) by Jurisdiction

In 2018, 2017 and 2016, pre-tax income (loss) was attributed to the following jurisdictions:

	Year Ended December 31,
(In thousands)	2018				2017				2016
Domestic operations	$	(28,482	)		$	(12,852	)		$	165
Foreign operations	54,648				20,140				25,023
Total	$	26,166			$	7,288			$	25,188

Provision for Income Taxes

The provision for income taxes charged to operations was as follows:

	Year Ended December 31,
(In thousands)	2018				2017				2016
Current tax expense:
U.S. federal	$	(1,074	)		$	3,406			$	1,748
State and local	83				72				374
Foreign	10,829				8,304				4,150
Total current	9,838				11,782				6,272
Deferred tax (benefit) expense:
U.S. federal	3,961				9,495				(1,416		)
State and local	1,930				(369		)		(356		)
Foreign	(1,487		)		(3,297		)		304
Total deferred	4,404				5,829				(1,468		)
Total provision for income taxes	$	14,242			$	17,611			$	4,804

Net Deferred Tax Assets

Net deferred tax assets were comprised of the following:

	December 31,
(In thousands)	2018				2017
Deferred tax assets:
Inventory reserves	$	1,428			$	1,104
Capitalized research costs	22				23
Capitalized inventory costs	1,541				609
Net operating losses	2,810				999
Acquired tangible assets	1,204				287
Accrued liabilities	1,090				1,239
Income tax credits	10,020				8,861
Stock-based compensation	3,181				2,712
Amortization of intangible assets	1,135				526
Total deferred tax assets	22,431				16,360
Deferred tax liabilities:
Depreciation	661				(944		)
Allowance for doubtful accounts	(739		)		(444		)
Other	(4,189		)		(2,680		)
Total deferred tax liabilities	(4,267		)		(4,068		)
Net deferred tax assets before valuation allowance	18,164				12,292
Less: Valuation allowance	(17,261		)		(8,802		)
Net deferred tax assets	$	903			$	3,490

Reconciliation of Tax Provision at Statutory U.S. Rate to Provision for Income Taxes

The provision for income taxes differs from the amount of income tax determined by applying the applicable U.S. statutory federal income tax rate to pre-tax income from operations as a result of the following:

	Year Ended December 31,
(In thousands)	2018				2017				2016
Tax provision at statutory U.S. rate	$	5,495			$	2,551			$	8,554
Increase (decrease) in tax provision resulting from:
State and local taxes, net	(1,792		)		(733		)		(553		)
Foreign tax rate differential	(2,079		)		(296		)		(3,244		)
Foreign undistributed earnings, net of credits	5,329				14,211				—
Nondeductible items	1,197				891				839
Federal research and development credits	(713		)		(620		)		(710		)
Non-territorial income	(1,079		)		(1,517		)		(1,458		)
Withholding tax	5,454				1,078				1,762
Change in deductibility of social insurance	(3		)		5				8
Uncertain tax positions	(159		)		1,344				165
Stock-based compensation	213				479				—
Federal tax rate change	466				686				—
Valuation allowance	8,057				149				1,598
Foreign permanent benefit	(7,077		)		(451		)		(2,110		)
Other	933				(166		)		(47		)
Tax provision	$	14,242			$	17,611			$	4,804

Changes to Gross Unrecognized Tax Benefits

Changes to our gross unrecognized tax benefits were as follows:

	Year ended December 31,
(In thousands)	2018				2017				2016
Balance at beginning of period	$	5,081			$	3,622			$	3,469
Additions as a result of tax provisions taken during the current year	702				1,489				305
Foreign currency translation	(51		)		90				(93		)
Lapse in statute of limitations	(80		)		(141		)		(67		)
Settlements	(1,612		)		—				—
Other	—				21				8
Balance at end of period	$	4,040			$	5,081			$	3,622

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