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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Taxes [Abstract] |
Summary of loss before income taxes by geographically |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Domestic |  | $ | (2,302 | ) |  | $ | (4,459 | ) |  | $ | (7,783 | )
Foreign |  |  | (3,249 | ) |  |  | (823 | ) |  |  | 41 |
Total |  | $ | (5,551 | ) |  | $ | (5,282 | ) |  | $ | (7,742 | )
Summary of provision for income taxes |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Current |  |  |  |  |  |  |  |  |
Federal |  | $ | - |  |  | $ | - |  |  | $ | - |
State |  |  | 2 |  |  |  | 2 |  |  |  | 2 |
Foreign |  |  | (58 | ) |  |  | 365 |  |  |  | 91 |
Change in deferred |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | 6,780 |  |  |  | (1,604 | ) |  |  | (2,466 | )
Federal valuation allowance |  |  | (6,780 | ) |  |  | 1,604 |  |  |  | 2,466 |
State |  |  | 104 |  |  |  | (197 | ) |  |  | (252 | )
State valuation allowance |  |  | (104 | ) |  |  | 197 |  |  |  | 252 |
Foreign |  |  | (453 | ) |  |  | (161 | ) |  |  | 6 |
Foreign valuation allowance |  |  | 453 |  |  |  | 161 |  |  |  | (6 | )
Total current |  | $ | (56 | ) |  | $ | 367 |  |  | $ | 93 |
Summary of effective income tax rate and the U.S. federal statutory federal income tax rate |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Amounts at statutory tax rates |  |  | 34 | % |  |  | 34 | % |  |  | 34 | %
Federal tax reform – deferred rate change |  |  | (170 | )% |  |  | - |  |  |  | - |
Accounting method adoption |  |  | 11 | % |  |  | - |  |  |  | - |
Foreign losses taxed at different rates |  |  | (7 | )% |  |  | (3 | )% |  |  | - |
Foreign withholding tax |  |  | 1 | % |  |  | (4 | )% |  |  | - |
Stock-based compensation |  |  | - |  |  |  | - |  |  |  | (1 | )%
Other |  |  | (1 | )% |  |  | - |  |  |  | (1 | )%
Total |  |  | (132 | )% |  |  | 27 | % |  |  | 31 | %
Valuation allowance |  |  | 133 | % |  |  | (35 | )% |  |  | (32 | )%
Effective tax rate |  |  | 1 | % |  |  | (8 | )% |  |  | (1 | )%
Summary of significant components of the deferred tax asset |
|  | 2017 |  |  | 2016 |
Deferred tax assets: |  |  |  |  |  |
Accruals |  | $ | 111 |  |  | $ | 126 |
Stock compensation |  |  | 789 |  |  |  | 1,466 |
Net operating losses |  |  | 14,288 |  |  |  | 20,015 |
Basis difference in fixed assets |  |  | - |  |  |  | 13 |
Total deferred tax assets |  | $ | 15,188 |  |  | $ | 21,620 |
Valuation allowance |  |  | (15,188 | ) |  |  | (21,620 | )
Total 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 + Details
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- Definition 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 + Details
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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 + Details
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