Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Pretax Income (Loss)

Pretax income (loss) is as follows (in thousands):

	Year Ended December 31,
	2015			2014			2013
Domestic	$	(35,009	)	$	(55,660	)	$	(76,714	)
Foreign	1,407			645			333
Total	$	(33,602	)	$	(55,015	)	$	(76,381	)

Schedule of Income Tax Provision (Benefit)

The provision (benefit) for federal, state and foreign income taxes was as follows (in thousands):

	Year Ended December 31,
	2015		2014		2013
Current tax provision (benefit):
Federal	$	—	$	—	$	—
State	157		50		79
Foreign	965		1,015		142
Total current tax provision (benefit)	1,122		1,065		221
Deferred tax provision (benefit):
Federal	103		50		(1,025		)
State	26		23		(206		)
Foreign	—		—		—
Total deferred tax expense	129		73		(1,231		)
Provision for (benefit from) income taxes	$	1,251	$	1,138	$	(1,010	)

Reconciliation of Statutory Federal Income Tax Rate to Effective Tax Rate

The reconciliation of the statutory federal income tax rate to the effective tax rate is as follows:

	Year Ended December 31,
	2015		2014		2013
Federal statutory tax rate	(34.0	)%	(34.0	)%	(34.0	)%
State tax	(11.1	)	(6.9	)	(10.5	)
Change in valuation allowance	45.9		40.0		44.0
Permanent differences	5.4		5.3		4.6
Tax credits	(6.2	)	(3.8	)	(4.4	)
Foreign rate impact	(0.6	)	(0.2	)	(0.1	)
Foreign tax withheld at source	1.5		—		—
Other	2.8		1.7		(0.9	)
	3.7	%	2.1	%	(1.3	)%

Components of Deferred Tax Assets and Liabilities

The tax effects of significant items comprising our deferred tax assets and liabilities are as follows (in thousands):

	December 31,
	2015			2014
Deferred tax assets:
Net operating loss (“NOL”) carryforwards	$	74,486		$	69,176
Accrued expenses, reserves and allowances	940			1,220
Deferred revenue	16,545			16,429
Tax credit carryforwards	12,079			9,580
Deferred rent	320			363
Depreciation	820			—
Amortizable intangibles	203			—
Other	16,333			13,840
Total deferred tax assets	121,726			110,608
Deferred tax liabilities:
Depreciation	—			(1,212		)
Amortizable intangibles	—			(1,678		)
Indefinite lived intangibles	(367		)	(238		)
Other	—			(177		)
Total deferred tax liabilities	(367		)	(3,305		)
Valuation allowance	(121,726		)	(107,540		)
Net deferred taxes	$	(367	)	$	(237	)

Deferred Income Taxes

Certain other information regarding our deferred income taxes was as follows:

(In thousands)	Year Ended December 31,
	2015		2014		2013
Increase in valuation allowance	$	14,186	$	21,463	$	32,692

(In millions)	December 31,
	2015		2014
Federal and state NOL carryforwards	$	250.2	$	238.8
Tax credit carryforwards	12.9		10.3

Schedule of Unrecognized Tax Benefits

The following is a reconciliation of our unrecognized tax benefits (in thousands):

	Year Ended December 31,
	2015			2014			2013
Beginning balance	$	567		$	409		$	737
Additions based on tax positions related to the current year	185			240			205
Reductions based on tax positions related to the current year	(74		)	—			—
Additions based on prior year tax positions	—			36			151
Reductions for tax positions in prior years	(223		)	(118		)	(212		)
Settlements	—			—			(472		)
Ending balance	$	455		$	567		$	409