Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Pre-tax loss consisted of the following (in thousands):

	Year Ended December 31,
	2017			2016
U.S.	$	(8,885	)	$	(580	)
Foreign		(322	)		(331	)
Total	$	(9,207	)	$	(911	)

Income Tax Benefit (Expense)

Income tax benefit (expense) consisted of the following (in thousands):

	Year Ended December 31,
	2017			2016
Current taxes:
Federal	$	(79	)	$	(24	)
State and local		(1	)		38
Foreign		(42	)		41
Current taxes		(122	)		55
Deferred taxes:
Federal		-			-
State and local		-			-
Foreign		(27	)		86
Deferred taxes		(27	)		86
Total	$	(149	)	$	141

Components of Net Deferred Tax Assets and Liabilities

Net deferred tax assets and liabilities consisted of the following (in thousands):

	December 31,
	2017			2016
Depreciation and amortization	$	238		$	365
Accrued expenses and reserves		148			345
Deferred revenue		508			66
Net operating loss carryforwards		14,561			20,448
Research and development credit carryforwards		3,037			2,740
Stock-based compensation		940			840
Other		10			91
Gross deferred tax assets		19,442			24,895
Less: valuation allowance		(19,442	)		(24,911	)
Net deferred tax assets (liability)	$	-		$	(16	)

Net Deferred Tax Assets and Liabilities

Net deferred tax assets and liabilities were recorded as follows (in thousands):

	December 31,
	2017		2016
Deferred tax assets, non-current	$	-	$	7
Deferred tax liability, non-current		-		(23	)
Net deferred tax assets (liability)	$	-	$	(16	)

Schedule of Provision for Income Taxes

The provision for income taxes differed from the amount of expected income tax expense determined by applying the applicable U.S. statutory federal income tax rate to pre-tax loss as follows (in thousands, except percentages):

	Year Ended December 31,
	2017					2016
U.S. Federal tax benefit at statutory rates	$	(3,130	)	34.0	%	$	(310	)	34.0	%
Impact of:
Tax credits		(376	)	4.1	%		(170	)	18.6	%
State income tax		(1	)	0.0	%		25		(2.7	)%
International operations		168		(1.8	)%		183		(20.1	)%
Stock-based compensation		(130	)	1.4	%		(23	)	2.6	%
Valuation allowance		(5,688	)	61.8	%		311		(34.2	)%
Expiration of state net operating loss carryforwards		-		(—	)%		77		(8.5	)%
Impact of tax reform		8,929		(97.0	)%
Other, net		79		(0.9	)%		48		(5.4	)%
Tax expense (benefit) and effective tax rate	$	(149	)	1.6	%	$	141		(15.7	)%