Income Tax (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Tables

Schedule of Components of Income Tax Expense

	Years ended December 31,
	2015		2014
Current expense:
Federal	$	—	$	—
State		—		—
Deferred expense (benefit):
Federal	$	—	$	—
State		—		—
Total	$	—	$	—

Schedule of Income Tax Rate Reconciliation

	Years ended December 31,
	2015			2014
Federal income tax expense at statutory rate	$	(7,182	)	$	(4,200	)
Increase (reduction) in income tax resulting from:
State and local income taxes, net of federal benefit		(420	)		(300	)
Foreign rate differential		64			—
Non-deductible expenses		—			300
Prior-period true-up		(489	)		(200	)
Research & development credit		(171	)		(500	)
Stock based compensation		194			100
Increase in valuation allowance		8,004			4,800
	$	—		$	—

Schedule of Deferred Tax Assets and Liabilities

	December 31,
	2015			2014
Deferred tax assets:
Net operating loss carryforward	$	15,758		$	8,142
Research & development credit		982			961
Stock-based compensation		791			467
Other		101			34
Deferred tax assets		17,632			9,604
Deferred tax liabilities:
Property, plant and equipment, primarily due to differences in depreciation		(40	)		(16	)
Deferred tax liabilities:		(40	)		(16	)
Valuation allowance		(17,592	)		(9,588	)
Net deferred income taxes	$	—		$	—