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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2018
Income Tax Disclosure [Abstract] |
Components of Income (Loss) from Continuing Operations Before Income Taxes | The following table shows the components of loss from continuing operations before income taxes (in thousands):
| For the year ended December 31,
| 2018 |  | 2017 |  | 2016
United States | $ | (9,100 | ) |  | $ | (11,382 | ) |  | $ | (16,848 | )
Loss from continuing operations before income taxes | $ | (9,100 | ) |  | $ | (11,382 | ) |  | $ | (16,848 | )
Schedule of Components of Benefits from Income Taxes | The following table shows the components of the provision for income taxes from continuing operations (in thousands):
| For the year ended December 31,
| 2018 |  | 2017 |  | 2016
Current: |  |  |  |  |
U.S. federal | $ | — |  |  | $ | — |  |  | $ | 1 |
State | 11 |  |  | 10 |  |  | 26 |
Total current | $ | 11 |  |  | $ | 10 |  |  | $ | 27 |
Deferred: |  |  |  |  |
U.S. Federal | $ | — |  |  | $ | (125 | ) |  | $ | — |
State | $ | — |  |  | $ | — |  |  | $ | — |
Total deferred | $ | — |  |  | $ | (125 | ) |  | $ | — |
Provision for income taxes | $ | 11 |  |  | $ | (115 | ) |  | $ | 27 |
Schedule of Effective Income Tax Rate Reconciliation | The principal items accounting for the difference between income taxes computed at the U.S. statutory rate and the provision for income taxes from continuing operations reflected in our Consolidated Statements of Operations are as follows:
| For the year ended December 31,
| 2018 |  | 2017 |  | 2016
U.S. statutory rate | 21.0 | % |  | 34.0 | % |  | 34.0 | %
State taxes (net of federal tax benefit) | 2.5 |  |  | 2.3 |  |  | 1.7 |
Valuation allowance | (25.0 | ) |  | 17.4 |  |  | (27.5 | )
Deferred rate change due to changes in tax laws | — |  |  | (51.7 | ) |  | — |
Other | 1.4 |  |  | (1.0 | ) |  | (8.4 | )
| (0.1 | )% |  | 1.0 | % |  | (0.2 | )%
Schedule of Deferred Tax Assets | The tax effects of temporary differences that give rise to significant portions of the deferred tax assets are as follows (in thousands):
| At December 31,
| 2018 |  | 2017 |  | 2016
Allowance for doubtful accounts | $ | — |  |  | $ | — |  |  | $ | 18 |
Accrued expenses and other reserves | 1,964 |  |  | 1,749 |  |  | 3,138 |
Tax credits, deferred R&D, and other | 65 |  |  | 197 |  |  | 142 |
Net operating loss | 10,793 |  |  | 8,610 |  |  | 9,239 |
Valuation allowance | (12,822 | ) |  | (10,556 | ) |  | (12,537 | )
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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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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