INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2012

INCOME TAXES

Schedule of significant components of the entity's deferred tax assets

	December 31,
	2012			2011
	(In thousands)
Net operating loss carryforwards	$	248,700		$	230,200
Purchased technology		20,000			22,200
Research credits		20,500			20,100
Capitalized research and development		19,400			19,000
License fees		1,100			1,300
Other—net		14,000			16,700
Total deferred tax assets		323,700			309,500
Valuation allowance for deferred tax assets		(323,700	)		(309,500	)
Net deferred tax assets	$	—		$	—

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

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows (in thousands):

Balance as of December 31, 2011	$	10,200
Decrease related to prior year tax positions		(100	)
Increase related to current year tax positions		400
Settlements		—
Reductions due to lapse of applicable statute of limitations		—
Balance as of December 31, 2012	$	10,500