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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes [Abstract]

Summary of the deferred tax assets and liabilities

		December 31,
		2017				2016
Deferred tax assets (liabilities):
Reserves		$	12			$	35
Property and equipment			80				171
Accrued expenses			619				1,034
Severance			56				39
Non-qualified stock options			268				420
Net foreign carryforwards			1,906				1,844
Net operating loss and credit carryforwards			6,801				8,054
Intangibles			605				907
Total deferred tax assets			10,347				12,504
Valuation allowance			(10,896	)			(13,114	)
Net deferred tax liabilities		$	(549	)		$	(610	)

Summary of tax provision

		Year ended December 31,
		2017				2016
Tax provision summary
State income tax		$	21			$	18
Deferred tax benefit, release of valuation allowance			-				(635	)
Deferred tax benefit - federal			2,382				(1,101	)
Deferred tax benefit - state			(149	)			(89	)
Deferred tax benefit - foreign			(75	)			(453	)
Change in valuation allowance			(2,218	)			1,895
Tax (benefit)/expense		$	(39	)		$	(365	)

Summary of reconciliation statutory income tax

		2017				2016
Federal statutory rate			-34.00	%			-34.00	%
State taxes			-2.44	%			-2.75	%
Foreign rate differential			-0.08	%			3.11	%
Other			3.55	%			1.68	%
Impact of Tax Act			3.10	%			0	%
Changes in valuation allowance			-37.79	%			36.72	%
Effective tax rate			-67.66	%			4.80	%

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- References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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