Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Domestic and International Components of Loss Before Income Taxes

The domestic and international components of loss before income taxes are as follows:

	Year Ended December 31,
	2012			2011			2010
	(In thousands)
Loss before income taxes
U.S.	$	(109,467	)	$	(127,969	)	$	(73,118	)
Foreign		(8,845	)		(846	)		—
Loss before income taxes	$	(118,312	)	$	(128,815	)	$	(73,118	)

Schedule of Components of Current and Deferred Income Tax Benefit From Operations

The components of current and deferred income tax benefit from operations are as follows:

	Year Ended December 31,
	2012		2011			2010
	(In thousands)
Current
Federal	$	—	$	—		$	—
State		—		(4,071	)		(9	)
Foreign		—		—			—
Total current benefit	$	—	$	(4,071	)	$	(9	)
Deferred
Federal		—		(20,423	)		—
State		—		(2,294	)		—
Foreign		—		—			—
Total deferred benefit		—		(22,717	)		—
Total income tax benefit	$	—	$	(26,788	)	$	(9	)

Schedule of Components of Deferred Income Tax Assets and Liabilities

The components of deferred income tax assets/liabilities are as follows:

	Year Ended December 31,
	2012						2011
	Assets			Liabilities			Assets			Liabilities
	(In thousands)
Net operating loss carryforward	$	122,785		$	—		$	106,288		$	—
Research and experimental credits		44,009			—			44,765			—
State NOL carryforward		37,582			—			36,203			—
Foreign NOL carryforward		1,211			—			106			—
Stock-based compensation		5,677			—			5,155			—
Foreign tax credits		4,026			—			4,026			—
Inventories		8,431			—			2,895			—
Accrued amounts		2,376			—			494			—
Capital loss carryforwards		232			—			232			—
Other tax credits		838			—			838			—
Other		1,169			—			939			—
Prepaids		—			(48	)		—			(29	)
Convertible Notes		—			(467	)		—			(20,391	)
	$	228,336		$	(515	)	$	201,941		$	(20,420	)
Valuation allowance		(227,821	)		—			(181,521	)		—
Total deferred income tax assets/(liabilities)		515			(515	)		20,420			(20,420	)
Net deferred income tax asset	$	—					$	—

Schedule of Reconciliation of Income Taxes Between Effective Tax Rate on Loss Before Income Taxes and Statutory Tax Rate

Reconciliation of income taxes between the Company’s effective tax rate on loss before income taxes and the statutory tax rate is as follows:

	Year Ended December 31,
	2012			2011			2010
	(In thousands)
Income tax at US statutory rate	$	(41,409	)	$	(45,085	)	$	(25,591	)
State and local income taxes (net of federal benefit)		(3,821	)		(5,571	)		(4,285	)
Non-deductible expenses		4,856			1,209			6,731
Research and experimental credits		—			—			(3,258	)
Foreign rate differential		1,990			190			—
Benefit for unrecognized tax benefits		—			(4,071	)		(9	)
Change in valuation allowance		38,384			27,268			26,403
Other		—			(728	)		—
Income tax benefit	$	—		$	(26,788	)	$	(9	)

Schedule of Unrecognized Tax Benefits

Reconciliation of the beginning and ending amount of unrecognized tax benefits:

	2012		2011			2010
	(In thousands)
Unrecognized tax benefits—January 1,	$	2,700	$	10,261		$	10,011
Increases related to tax positions in prior period		—		29			259
Decreases related to tax positions in prior period		—		(1,500	)		—
Settlements/lapses		—		(6,090	)		(9	)
Unrecognized tax benefits—December 31	$	2,700	$	2,700		$	10,261