Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Taxes [Abstract]

Schedule of deferred tax assets, liabilities and valuation allowance

	Year Ended December 31,
(In thousands)	2014			2015
Deferred tax assets:
Net operating loss carryforwards	$	108,348		$	106,312
Tax credit carryforwards		10,696			10,696
Depreciation and amortization		3,709			3,872
Other		185			351
Total deferred tax assets		122,938			121,231
Valuation allowance		(122,938	)		(121,231	)
Net deferred tax assets		-			-
Deferred tax liabilities:
Intangible assets		(2,345	)		(2,345	)
Net deferred tax liabilities	$	(2,345	)	$	(2,345	)