INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2014

Schedule of domestic and foreign components of income (loss) before provision for income taxes

The domestic and foreign components of income (loss) before the provision for income taxes for the years ended December 31, 2014, 2013 and 2012 were as follows (in thousands):



	Years Ended December 31,
	2014		2013			2012
Domestic	$	13,107	$	(1,015	)	$	13,235
Foreign	1,023		905			1,231
Total	$	14,130	$	(110	)	$	14,466

Schedule of provision (benefit) for income taxes

During the years ended December 31, 2014, 2013 and 2012, the Company’s income tax expense (benefit) was as follows (in thousands):



	Years Ended December 31,
	2014			2013			2012
Current expense:
Federal	$	8,224		$	1,880		$	—
State	999			143			317
Foreign	1,257			1,006			762
Total current expense	10,480			3,029			1,079
Deferred benefit:
Federal	(2,936		)	(3,445		)	(13,805		)
State	(1,259		)	(1,172		)	(4,467		)
Foreign	(345		)	(311		)	(45		)
Total deferred benefit	(4,540		)	(4,928		)	(18,317		)
Total income tax expense (benefit)	$	5,940		$	(1,899	)	$	(17,238	)

Schedule of effective income tax rate reconciliation

The difference between the income tax expense (benefit) and the amount computed by applying the statutory federal income tax rate to the income (loss) before income taxes is as follows (in thousands):



	Years Ended December 31,
	2014			2013			2012
Federal statutory rate	$	4,945		$	(38	)	$	4,918
State taxes, net of federal income tax benefit	602			86			417
Non-deductible expenses	246			209			134
Stock-based compensation	2,209			1,535			701
Preferred stock warrant liability	—			—			966
Acquisition cost	—			110			—
Foreign tax deduction	(153		)	(101		)	—
Tax credits	(2,502		)	(4,020		)	(884		)
Foreign tax rate differential	393			324			273
Other items not individually material	200			(4		)	116
Change in statutory rate	—			—			(262		)
Change in valuation allowance	—			—			(23,617		)
Total income tax expense (benefit)	$	5,940		$	(1,899	)	$	(17,238	)

Schedule of components of deferred tax assets and liabilities

Significant components of the Company’s deferred tax assets and liabilities are as follows (in thousands):



	As of December 31,
	2014			2013
Deferred tax assets:
Accruals and reserves	$	2,645		$	1,641
Tax credits	4,416			6,719
Fixed assets and intangibles, other than goodwill	3,913			3,402
Net operating losses	1,426			1,645
Stock-based compensation	11,023			7,131
Deferred revenue	2,560			1,448
Other	2,177			1,517
Total deferred tax assets	28,160			23,503
Deferred tax liabilities
Intangible assets	(850		)	(1,020		)
Goodwill	(535		)	(305		)
Net deferred tax assets	$	26,775		$	22,178
As reported:
Current deferred tax asset	$	6,205		$	7,715
Non-current deferred tax assets	21,166			15,317
Non-current deferred tax liabilities	(596		)	(854		)
Net deferred tax assets	$	26,775		$	22,178

Schedule of unrecognized tax benefits roll forward

A reconciliation of the beginning and ending balances of the total amounts of unrecognized tax benefits for the years ended December 31, 2014, 2013 and 2012 is as follows (in thousands):



	As of December 31,
	2014			2013		2012
Balance at beginning of year	$	2,397		$	836	$	937
Additions related to current year tax positions	858			1,394		218
Additions related to prior year tax positions	—			167		—
Reductions related to prior year tax positions	(3		)	—		(319		)
Balance at end of year	$	3,252		$	2,397	$	836