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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Pre-Tax Income (Loss) by Jurisdiction

In 2021, 2020 and 2019, pre-tax income (loss) was attributed to the following jurisdictions: 

			Year Ended December 31,
(In thousands)			2021						2020						2019
Domestic operations			$	(38,024)					$	(15,711)					$	(28,929)
Foreign operations			54,104						59,616						39,331
Total pre-tax income (loss)			$	16,080					$	43,905					$	10,402

Provision for Income Taxes

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

			Year Ended December 31,
(In thousands)			2021						2020						2019
Current tax expense:
U.S. federal			$	2					$	(193)					$	(188)
State and local			75						(54)						82
Foreign			12,386						6,525						8,217
Total current			12,463						6,278						8,111
Deferred tax (benefit) expense:
U.S. federal			584						—						—
State and local			90						—						—
Foreign			(2,358)						(945)						(1,339)
Total deferred			(1,684)						(945)						(1,339)
Total provision for income taxes			$	10,779					$	5,333					$	6,772

Net Deferred Tax Assets

Net deferred tax assets were comprised of the following: 

			December 31,
(In thousands)			2021						2020
Deferred tax assets:
Accrued liabilities			$	6,483					$	—
Amortization of intangible assets			1,412						1,904
Capitalized inventory costs			4,183						2,945
Depreciation			4,289						2,530
Income tax credits			17,513						15,558
Inventory reserves			2,621						3,383
Net operating losses			3,512						2,844
Operating lease obligations			4,469						4,639
Stock-based compensation			4,569						4,600
Other			4,431						409
Total deferred tax assets			53,482						38,812
Deferred tax liabilities:
Accrued liabilities			—						(1,939)
Accounts receivable			(10,919)						(710)
Right of use assets			(4,690)						(4,577)
Other			—						(29)
Total deferred tax liabilities			(15,609)						(7,255)
Net deferred tax assets before valuation allowance			37,873						31,557
Less: Valuation allowance			(32,538)						(27,906)
Net deferred tax assets			$	5,335					$	3,651

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)			2021						2020						2019
Tax provision at statutory U.S. rate			$	3,377					$	9,220					$	2,185
Increase (decrease) in tax provision resulting from:
Federal research and development credits			(1,391)						(2,119)						(884)
Foreign permanent benefit			(1,137)						(2,842)						(856)
Foreign tax rate differential			(2,647)						(1,595)						(1,810)
Foreign undistributed earnings, net of credits			6,902						3,319						1,181
Liquidation of Cayman subsidiary			745						—						—
Non-deductible items			1,198						1,637						1,236
Non-territorial income			(2,993)						(2,493)						(1,806)
Provision to return			(533)						(343)						584
Sale of Argentina subsidiary			2,084						—						—
State and local taxes, net			(1,435)						(1,932)						(1,903)
Stock-based compensation			(616)						(266)						262
Tax rate change			—						(1,527)						(412)
Uncertain tax positions			—						(1,565)						(294)
Valuation allowance			4,632						3,109						7,524
Withholding tax			2,333						2,320						1,082
Other			260						410						683
Tax provision			$	10,779					$	5,333					$	6,772

Changes to Gross Unrecognized Tax Benefits

Changes to our gross unrecognized tax benefits were as follows: 

			Year Ended December 31,
(In thousands)			2021						2020						2019
Balance at beginning of period			$	3,020					$	4,094					$	4,040
Additions as a result of tax provisions taken during the current year			226						274						473
Foreign currency translation			(13)						20						(100)
Lapse in statute of limitations			—						(51)						(92)
Settlements			(232)						—						(227)
Other			—						(1,317)						—
Balance at end of period			$	3,001					$	3,020					$	4,094

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