Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Taxes

Schedule of income (loss) before income taxes

	Years ended December 31,
	2013			2012			2011
	(in thousands)
United States	$	(18,998	)	$	(37,682	)	$	2,622
Foreign		2,894			5,294			4,849
Income (loss) before income taxes	$	(16,104	)	$	(32,388	)	$	7,471

Schedule of components of income taxes (benefits)

	Years ended December 31,
	2013		2012		2011
	(in thousands)
Current:
United States
Federal	$	—	$	—	$	—
State		84		82		163
Foreign		641		738		1,646
Total current		725		820		1,809
Deferred:
Foreign		315		826		585
Total deferred		315		826		585
Income taxes	$	1,040	$	1,646	$	2,394

Schedule of reconciliations of income taxes at the United States Federal statutory rate to the effective income tax rate

	Years ended December 31,
	2013			2012			2011
	(in thousands)
Income tax (benefits) at the United States statutory rate	$	(5,636	)	$	(11,336	)	$	2,615
State income taxes		55			53			31
Unrecognized tax benefits		(293	)		(832	)		899
Effect of change in valuation allowance		5,975			12,662			(3,160	)
Foreign income tax rate differentials		(1,244	)		(788	)		(365	)
Restoration of foreign deferred tax assets		961			—			—
Foreign dividend		—			383			—
Stock options		450			1,298			—
Deemed distribution from foreign subsidiaries		316			149			1,533
Other, net		456			57			841
Income taxes	$	1,040		$	1,646		$	2,394

Schedule of significant components of current and long-term deferred income taxes

	As of December 31,
	2013						2012
	Current			Long Term			Current			Long Term
	(in thousands)
Federal net operating loss carryforwards	$	—		$	104,370		$	—		$	88,088
State net operating loss carryforwards		—			2,250			—			1,181
Foreign net operating loss carryforwards		—			1,421			—			1,853
Federal tax credit carryforwards		—			17,814			—			17,814
State tax credit carryforwards		—			5,543			—			9,051
Unremitted earnings of foreign subsidiaries		—			(9,661	)		—			(8,580	)
Intangible assets		—			532			—			661
Property, plant and equipment		—			4,796			—			5,925
Accrued compensation		43						352			368
Inventories		16,540						22,582			(215	)
Stock compensation		—			4,896			—			4,378
Warranty		591			(56	)		612			36
Other		2,671			(2,406	)		1,820			917
Deferred taxes, gross		19,845			129,499			25,366			121,477
Valuation allowance		(18,059	)		(129,409	)		(25,062	)		(119,605	)
Deferred taxes, net	$	1,786		$	90		$	304		$	1,872

Schedule of reconciliation of the beginning and ending balance of unrecognized tax benefits

	2013			2012
	(in thousands)
Balance at beginning of year	$	7,719		$	8,089
Increases in unrecognized tax benefits as a result of tax positions taken during a prior period		324			646
Decreases in unrecognized tax benefits related to settlements with tax authorities		—			(880	)
Increases in unrecognized tax benefits as a result of tax positions taken during the current period		—			663
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations		(398	)		(799	)
Balance at end of year	$	7,645		$	7,719
Recorded as other long-term liability	$	2,343		$	2,646
Recorded as a decrease in deferred tax assets and offsetting valuation allowance		5,302			5,073
	$	7,645		$	7,719