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Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Taxes

Schedule of components of (loss) income before taxes from continuing operations

			Year Ended December 31,
			2016						2017
Domestic				$	(2,011)					$	(127)
Foreign					(11,763)						(8,336)
Loss from continuing operations before taxes				$	(13,774)					$	(8,463)

The benefit (provision) for income taxes from continuing operations consists of the following (in thousands):

			Year Ended December 31,
			2016						2017
Current – domestic				$	—					$	—
Current – foreign					1,983						993
Current – total					1,983						993
Deferred – domestic					—						—
Income tax benefit				$	1,983					$	993

Schedule of benefit for income taxes from continuing operations

			Year Ended December 31,
			2016						2017
Current – domestic				$	—					$	—
Current – foreign					1,983						993
Current – total					1,983						993
Deferred – domestic					—						—
Income tax benefit				$	1,983					$	993

Schedule of reconciliation of the (benefit) provision for income taxes from continuing operations with the amount computed by applying the statutory federal tax rate to loss before income taxes

			Year Ended December 31,
			2016						2017
Loss from continuing operations before taxes				$	(13,774)					$	(8,463)
Income tax expense computed at statutory federal tax rate					(4,683)						(2,877)
Disallowed expenses and non-taxable income					12						3
Loss surrendered to generate R&D credit					1,945						856
Additional research and development tax relief					(2,827)						(1,262)
Change in valuation allowance					2,029						(4,487)
Foreign items, including change in tax rates, and other					1,238						1,901
Change in US Tax Rate					—						4,112
Other foreign items					303						761
				$	(1,983)					$	(993)

Schedule of significant components of the entity's deferred tax assets

			Year Ended December 31,
			2016						2017
Net operating loss and tax credit carryforwards				$	42,851					$	38,948
Depreciation, amortization and impairment of property and equipment					137						111
Stock options					2,365						1,807
Research and development credits					4,021						4,021
Other					—						—
Deferred tax assets					49,374						44,887
Valuation allowance for deferred tax assets					(49,374)						(44,887)
Net deferred tax assets				$	—					$	—

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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