Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes

Schedule of income (loss) before income taxes

	Years ended December 31,
	2012			2011		2010
	(in thousands)
United States	$	(37,682	)	$	2,622	$	(21,526	)
Foreign		5,294			4,849		4,265
Income (loss) before income taxes	$	(32,388	)	$	7,471	$	(17,261	)

Schedule of components of income taxes (credits)

	Years ended December 31,
	2012		2011		2010
	(in thousands)
Current:
United States
Federal	$	—	$	—	$	—
State		82		163		309
Foreign		738		1,646		1,528
Total current		820		1,809		1,837
Deferred:
Foreign		826		585		(1,525	)
Total deferred		826		585		(1,525	)
Income taxes	$	1,646	$	2,394	$	312

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

	Years ended December 31,
	2012			2011			2010
	(in thousands)
Income (credit) at the United States statutory rate	$	(11,336	)	$	2,615		$	(6,041	)
State income taxes		53			31			309
Unrecognized tax benefits		(832	)		899			842
Effect of change in valuation allowance		12,662			(3,160	)		6,550
Foreign income tax rate differentials		(788	)		(365	)		(1,490	)
Restoration of foreign deferred tax assets		—			—			(1,329	)
Foreign dividend		383			—			—
Stock options		1,298			—			—
Deemed distribution from foreign subsidiaries		149			1,533			2,152
Other, net		57			841			(681	)
Income taxes	$	1,646		$	2,394		$	312

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

	As of December 31,
	2012						2011
	Current			Long Term			Current			Long Term
	(in thousands)
Federal net operating loss carryforwards	$	—		$	88,088		$	—		$	79,163
State net operating loss carryforwards		—			1,181			—			2,685
Foreign net operating loss carryforwards		—			1,853			—			1,821
Federal tax credit carryforwards		—			17,814			—			15,505
State tax credit carryforwards		—			9,051			—			9,051
Unremitted earnings of foreign subsidiaries		—			(8,580	)		—			(10,370	)
Intangible assets		—			661			—			803
Property, plant and equipment		—			5,925			—			5,589
Accrued compensation		352			368			541			—
Inventories		22,582			(215	)		22,447			—
Stock compensation		—			4,378			—			3,970
Warranty		612			36			1,293			51
Other		1,820			917			1,243			(3,814	)
Deferred taxes, gross		25,366			121,477			25,524			104,454
Valuation allowance		(25,062	)		(119,605	)		(24,160	)		(102,814	)
Deferred taxes, net	$	304		$	1,872		$	1,364		$	1,640

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

	2012			2011
	(in thousands)
Balance at beginning of year	$	8,089		$	6,965
Increases in unrecognized tax benefits as a result of tax positions taken during a prior period		646			1,124
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		(799	)		—
Balance at end of year	$	7,719		$	8,089
Recorded as other long-term liability	$	2,646		$	3,244
Recorded as a decrease in deferred tax assets and offsetting valuation allowance		5,073			4,845
	$	7,719		$	8,089