Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The components of the benefit from income taxes were as follows:

	Year Ended December 31,
	2014			2013			2012
	(in thousands)
Federal:
Current	$	(191	)	$	14		$	34
Deferred	105			3,402			15,066
	(86		)	3,416			15,100
Foreign:
Current	1,719			7,281			1,373
Deferred	—			(1,696		)	—
	1,719			5,585			1,373
State:
Current	(403		)	509			(979		)
Deferred	93			(168		)	218
	(310		)	341			(761		)
	$	1,323		$	9,342		$	15,712

Schedule of Income before Income Tax, Domestic and Foreign

The components of income (loss) from continuing operations before income taxes were as follows:

	Year Ended December 31,
	2014			2013		2012
	(in thousands)
Domestic	$	(25,580	)	$	6,990	$	6,326
Foreign	(12		)	59		141
	$	(25,592	)	$	7,049	$	6,467

Schedule of Effective Income Tax Rate Reconciliation

The benefit for income taxes varied from the Federal statutory income tax rate due to the following:

	Year Ended December 31,
	2014		2013		2012
Federal statutory rate	35.0	%	35.0	%	35.0	%
State taxes, net of federal benefit	(0.5	)%	(8.1	)%	15.1	%
Foreign losses not benefited	—	%	(0.3	)%	(0.6	)%
Changes in tax reserves	0.2	%	(78.6	)%	(53.9	)%
Change in valuation allowance	30.3	%	(78.7	)%	(263.5	)%
Permanent differences	(64.6	)%	(1.8	)%	24.6	%
Foreign tax refund	6.5	%	—	%	—	%
Other	(1.7	)%	—	%	0.3	%
	5.2	%	(132.5	)%	(243.0	)%

Schedule of Deferred Tax Assets and Liabilities

The components of the deferred tax assets and liabilities were as follows:

	December 31,
	2014			2013
	(in thousands)
Deferred tax assets
Net operating loss carryforward	$	49,096		$	61,212
Research and development credits	33,484			33,484
Compensatory and other accruals	2,698			1,800
Unrealized losses on investments	5,265			—
Intangible assets	819			—
Foreign tax credits	201			—
Other, net	3,725			1,785
Gross deferred tax assets	95,288			98,281
Deferred tax liabilities:
Unremitted foreign earnings	—			7,001
Unrealized gains on investments	—			3,704
Intangible assets	—			6,525
Fixed assets	19,128			13,354
Gross deferred tax liabilities	19,128			30,584
Net deferred tax asset before valuation allowance	76,160			67,697
Valuation Allowance	(78,018		)	(69,753		)
Net deferred tax liability	$	(1,858	)	$	(2,056	)

Schedule Of Classification in The Balance Sheet of Deferred Tax Assets and Liabilities

The components of the Company's deferred tax assets and deferred tax liabilities were classified in the consolidated balance sheets as follows:

	December 31,
	2014			2013
	(in thousands)
Deferred income tax assets - current	$	1,696		$	—
Deferred income tax assets - non-current	80			1,556
Total deferred income tax assets	1,776			1,556
Deferred income tax liabilities - current	85			3,612
Deferred income tax liabilities - non-current	3,549			—
Total deferred income tax liabilities	3,634			3,612
Net deferred income tax liability	$	(1,858	)	$	(2,056	)

Schedule of Unrecognized Tax Benefits Roll Forward

The changes in unrecognized tax positions were as follows:

	Year Ended December 31,
	2014			2013			2012
	(in thousands)
Balance at beginning of period	$	19,121		$	26,419		$	29,903
Tax positions related to prior year:
Additions	—			—			—
Expiration of statute of limitations	(45		)	(7,298		)	—
Settlements	—			—			(3,484		)
Balance at ending of period	$	19,076		$	19,121		$	26,419