Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income (loss) before provision for income taxes

Income (loss) before provision for income taxes consists of the following (in thousands):

	Years Ended
	December 31, 2016		December 26, 2015		December 27, 2014
Domestic	$	25,372	$	178	$	(15,691	)
Foreign		3,763		5,390		4,070
Income (loss) before income taxes	$	29,135	$	5,568	$	(11,621	)

Provision (benefit) for income taxes

The provision (benefit) for income taxes consists of the following (in thousands):

	Years Ended
	December 31, 2016			December 26, 2015		December 27, 2014
Current:
Federal	$	697		$	148	$	358
State		85			3		(151	)
Foreign		2,111			2,266		1,327
		2,893			2,417		1,534
Deferred:
Federal		(16,641	)		190		17,368
State		(320	)		3		550
Foreign		(832	)		53		45
		(17,793	)		246		17,963
Provision (benefit) for income taxes	$	(14,900	)	$	2,663	$	19,497

Components of deferred tax assets and liabilities

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

	At
	December 31, 2016			December 26, 2015
Deferred tax assets:
Reserves and accruals	$	11,043		$	13,712
Deferred revenue		349			1,154
Shared based compensation		2,590			3,856
Tax credit carry-forwards		10,112			8,658
Net operating losses		8,434			13,218
Depreciation & amortization		(2,898	)		366
Other		(1,252	)		94
Total deferred tax assets		28,378			41,058
Less: Valuation allowance		(10,980	)		(36,786	)
Total deferred tax assets net of valuation allowance		17,398			4,272
Deferred tax liabilities:
Depreciation & amortization		(6	)		(2,537	)
Other		(14	)		(1,137	)
Total deferred tax liabilities		(20	)		(3,674	)
Net deferred tax assets	$	17,378		$	598

Income Tax Rate Reconciliation

Differences between income taxes computed by applying the statutory federal income tax rate to income (loss) before income taxes and the provision (benefit) for income taxes consist of the following (in thousands):

	Years Ended
	December 31, 2016			December 26, 2015			December 27, 2014
Income taxes computed at U.S. statutory rate	$	10,197		$	1,949		$	(4,067	)
State income taxes		223			28			(109	)
Foreign tax rate differential		3,502			342			777
Change in valuation allowance		(25,738	)		1,648			23,894
Non-deductible Equity Compensation		380			311			242
Tax credits		(3,191	)		(1,834	)		(2,187	)
Domestic production activities deduction		(354	)		—			—
Liabilities for uncertain tax positions		67			74			118
Other, net		14			145			829
Provision (benefit) for income taxes	$	(14,900	)	$	2,663		$	19,497

Reconciliation of unrecognized tax benefits

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

	Rollforward Table (at Gross): As of
	December 31, 2016			December 26, 2015			December 27, 2014
Unrecognized tax benefits - beginning of the period	$	6,961		$	6,442		$	4,436
Gross increases-tax positions in prior period		23			127			655
Gross decreases-tax positions in prior period		(1,193	)		(306	)		(123	)
Gross increases-current-period tax positions		686			698			1,541
Lapse of statute of limitations		—			—			(67	)
Unrecognized tax benefits - end of the period	$	6,477		$	6,961		$	6,442