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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Summary of Income or (Loss) Before Income Taxes

Income or (loss) before income taxes for the years ended December 31, 2016, 2015 and 2014 is summarized as follows (in thousands):

		Year Ended December 31,
		2016				2015				2014
United States		$	(21,753	)		$	(13,707	)		$	(719	)
Foreign			(19,609	)			—				—
		$	(41,362	)		$	(13,707	)		$	(719	)

Components of Provision for (Benefit from) Income Taxes

The components of the provision for (benefit from) income taxes are summarized as follows (in thousands):

		As of December 31,
		2016				2015				2014
Current
Federal		$	49			$	—			$	—
State			11				—				—
Foreign			32				—				—
Total Current			92				—				—
Deferred
Federal			(251	)			—				(1,500	)
State			(49	)			—				—
Foreign			(1,398	)			—				—
Total Deferred			(1,698	)			—				(1,500	)
Provision for (benefit from) income taxes		$	(1,606	)		$	—			$	(1,500	)

Schedule of Provision for Tax Differed from Amounts Computed by Applying the U.S. Federal Income Tax Rate to Pretax Income

The Company’s actual provision for tax differed from the amounts computed by applying the U.S. federal income tax rate of 34% to pretax income as a result of the following:

		Year Ended December, 31,
		2016				2015				2014
Federal tax at statutory rate			34.0	%			34.0	%			34.0	%
Stock-based compensation			-0.5	%			-1.9	%			-9.5	%
Change in valuation allowance			-16.8	%			-31.1	%			190.6	%
Foreign rate differential			-1.3	%			0.0	%			0.0	%
Preferred stock warrant revaluation			-0.2	%			0.0	%			-0.7	%
Interest expense			0.0	%			0.0	%			-5.8	%
Contingent liability for IMX acquisition			0.4	%			0.0	%			38.2	%
Acquisition costs			-1.2	%			-3.2	%			-36.7	%
Goodwill impairment			-10.8	%			0.0	%			0.0	%
Other			0.3	%			2.2	%			-1.3	%
Effective income tax rate			3.9	%			0.0	%			208.8	%

Schedule of Deferred Income Tax Assets and Liabilities

Deferred income tax assets and liabilities consist of the following: (in thousands):

		As of December 31,
		2016				2015
Deferred tax assets:
Net operating loss carryforwards		$	71,925			$	65,957
Tax credit carryforwards			4,947				4,533
Accruals			1,274				1,125
Other			1,088				698
Gross deferred tax assets			79,234				72,313
Valuation allowance			(76,295	)			(70,053	)
Total deferred tax assets			2,939				2,260
Deferred tax liabilities:
Property and equipment			195				95
Purchased intangibles			(8,979	)			(2,355	)
Other			(212	)			—
Total deferred tax liabilities			(8,996	)			(2,260	)
Net deferred tax liabilities		$	(6,057	)		$	—

Schedule of Reconciliation of Unrecognized Tax Benefits

A reconciliation of the Company’s unrecognized tax benefits is as follows (in thousands):

		Year Ended December 31,
		2016				2015				2014
Balance at beginning of year		$	2,431			$	2,054			$	2,196
Additions based on tax positions related to current    year			2,489				372				83
Additions (reductions) based on tax positions    related to prior years			332				5				(225	)
Balance at end of year		$	5,252			$	2,431			$	2,054

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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-Publisher FASB
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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.

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