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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Domestic and Foreign Components of Net Loss

The following table presents domestic and foreign components of net loss for the periods presented (in thousands):

		Year Ended December 31,
		2016				2015				2014
Domestic		$	(34,977	)		$	(10,483	)		$	(9,515	)
Foreign			(2,200	)			(4,375	)			(1,557	)
Total net loss		$	(37,177	)		$	(14,858	)		$	(11,072	)

Summary of Effective Tax Rate of Provision For Income Taxes Differs From Federal Statutory Rate

The effective tax rate of the provision for income taxes differs from the federal statutory rate as follows:

		Year Ended December 31,
		2016				2015				2014
Federal statutory income tax rate			34.0	%			34.0	%			34.0	%
State taxes, net of federal benefit			6.5				(2.7	)			4.1
Warrant revaluation			(4.3	)			(0.2	)			(5.5	)
Foreign tax rate difference			(1.6	)			(11.8	)			(6.8	)
Change in valuation allowance			(36.0	)			(19.9	)			(26.5	)
Other			1.4				0.6				0.7
Provision for income taxes			0.0	%			0.0	%			0.0	%

Components of Deferred Tax Assets

The components of the deferred tax assets are as follows (in thousands):

		December 31,
		2016				2015
Deferred tax assets:
Net operating loss carryforwards		$	21,501			$	9,513
Depreciation and amortization			419				480
Accruals/other			908				293
Research and development credits & foreign credits			1,143				285
Total deferred tax assets			23,971				10,571
Valuation allowance			(23,971	)			(10,571	)
Net deferred tax assets		$	—			$	—

Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

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

		Year Ended December 31,
		2016				2015				2014
Balance at beginning of year		$	805			$	—			$	—
Additions based on tax positions related to in prior years			707				690				—
Additions based on tax positions related to current year			619				115				—
Balance at end of year		$	2,131			$	805			$	—

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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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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-Publisher FASB
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-Topic 740
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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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-Topic 235
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-Section S99
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Tabular disclosure of the change in unrecognized tax benefits.

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