Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Schedule Of Domestic And International Components Of Loss Before Income Taxes

	Year Ended December 31,
	2011			2010			2009
	(In thousands)
Loss before income taxes
U.S.	$	(127,969	)	$	(73,118	)	$	(92,924	)
Foreign		(846	)		—			—
Loss before income taxes	$	(128,815	)	$	(73,118	)	$	(92,924	)

Schedule Of Components Of Current And Deferred Income Tax Benefit From Operations

	Year Ended December 31,
	2011			2010			2009
	(In thousands)
Current
Federal	$	—		$	—		$	(2,006	)
State		(4,071	)		(9	)		(65	)
Foreign		—			—			—
Total current (benefit)	$	(4,071	)	$	(9	)	$	(2,071	)
Deferred
Federal		(20,423	)		—			—
State		(2,294	)		—			—
Foreign		—			—			—
Total deferred (benefit)		(22,717	)		—			—
Total income tax benefit	$	(26,788	)	$	(9	)	$	(2,071	)

Schedule Of Components Of Deferred Income Tax Assets/Liabilities

	Year Ended December 31,
	2011						2010
	Assets			Liabilities			Assets			Liabilities
	(In thousands)
Net operating loss carryforward	$	106,288		$	—		$	64,291		$	—
Research and experimental credits		44,765			—			48,511			—
State NOL carryforward		36,203			—			25,158			—
Foreign NOL carryforward		106			—			—			—
Stock-based compensation		5,155			—			3,425			—
Foreign tax credits		4,026			—			4,026			—
Inventories		2,895			—			1,999			—
State tax reserves		—			—			1,425			—
Accrued amounts		494			—			1,618			—
Capital loss carryforwards		232			—			1,008			—
Other tax credits		838			—			702			—
Other		939			—			905			—
Prepaids		—			(29	)		—			(116	)
Convertible Notes		—			(20,391	)		—			—
	$	201,941		$	(20,420	)	$	153,068		$	(116	)
Valuation allowance		(181,521	)		—			(152,952	)		—
Total deferred income tax assets/(liabilities)		20,420			(20,420	)		116			(116	)
Net deferred income tax asset	$	—					$	—

Schedule Of Reconciliation Of Income Taxes Between Effective Tax Rate On Loss Before Income Taxes And Statutory Tax Rate

	Year Ended December 31,
	2011			2010			2009
	(In thousands)
Income tax at US statutory rate	$	(45,085	)	$	(25,591	)	$	(32,523	)
State and local income taxes (net of federal benefit)		(5,571	)		(4,285	)		(5,366	)
Non-deductible expenses		1,209			6,731			6,806
Research and experimental credits		—			(3,258	)		(9,948	)
Foreign rate differential		190			—			—
Benefit for unrecognized tax benefits		(4,071	)		(9	)		(64	)
Change in valuation allowance		27,268			26,403			39,024
Other		(728	)		—			—
Income tax benefit	$	(26,788	)	$	(9	)	$	(2,071	)

Schedule Of Unrecognized Tax Benefits

	2011			2010			2009
	(In thousands)
Unrecognized tax benefits—January 1,	$	10,261		$	10,011		$	11,211
Increases related to tax positions in prior period		29			259			471
Decreases related to tax positions in prior period		(1,500	)		—			(5	)
Settlements/lapses		(6,090	)		(9	)		(1,666	)
Unrecognized tax benefits—December 31	$	2,700		$	10,261		$	10,011