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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2018
Income Tax Disclosure [Abstract] |
Schedule of Income Tax Provision | The income tax provision consists of the following as of December 31:
|  | 2018 |  |  | 2017 |
Current: |  |  |  |  |  |  |  |
Federal |  | $ | — |  |  | $ | — |
State |  |  | 18 |  |  |  | 24 |
|  |  | 18 |  |  |  | 24 |
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | (607 | ) |  |  | 15,171 |
State |  |  | (111 | ) |  |  | 2,724 |
|  |  | (718 | ) |  |  | 17,895 |
Valuation allowance |  |  | 712 |  |  |  | (17,881 | )
Total income tax expense |  | $ | 12 |  |  | $ | 38 |
Components of Deferred Tax Assets and Liabilities | Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Components of the Company’s deferred tax assets and liabilities at December 31, 2018 and 2017 are as follows:
|  | 2018 |  |  | 2017 |
Deferred tax assets: |  |  |  |  |  |  |  |
Inventory |  | $ | 500 |  |  | $ | 834 |
Warranty |  |  | 63 |  |  |  | 67 |
Net operating loss and tax credit carryforwards |  |  | 37,937 |  |  |  | 37,045 |
Accrued expenses |  |  | 4 |  |  |  | 4 |
Stock based compensation |  |  | 379 |  |  |  | 352 |
Investment in affiliates |  |  | — |  |  |  | 48 |
|  |  | 38,883 |  |  |  | 38,350 |
Less - valuation allowance |  |  | (38,809 | ) |  |  | (38,328 | )
Net deferred tax assets |  |  | 74 |  |  |  | 22 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Depreciation and amortization |  |  | (11 | ) |  |  | (21 | )
Investment in affiliates |  |  | (28 | ) |  |  | — |
Goodwill amortization |  |  | (44 | ) |  |  | (15 | )
Net deferred tax liabilities |  |  | (83 | ) |  |  | (36 | )
Net deferred tax assets (liabilities) |  | $ | (9 | ) |  | $ | (14 | )
Reconciliation of Statutory and Effective Tax Rate After Adjustments for Non-Includable Partnership Income Arising from Non-Controlling Interest | A reconciliation of the statutory rate and the effective tax rate after adjustments for non-includable partnership income arising from non-controlling interest follows:
|  | 2018 |  |  | 2017 |
Federal statutory rate |  |  | (21.00 | %) |  |  | (35.00 | %)
State income taxes - net of federal benefit |  |  | (4.74 | %) |  |  | (3.90 | %)
Permanent differences |  |  | 16.52 | % |  |  | (10.94 | %)
Return to provision adjustments |  |  | (4.29 | %) |  |  | 5.18 | %
Change in valuation allowance |  |  | 14.32 | % |  |  | (417.08 | %)
Current state income tax |  |  | 0.36 | % |  |  | 0.56 | %
Change in enacted rate |  |  | 1.52 | % |  |  | 462.23 | %
Other, net |  |  | (2.45 | %) |  |  | (0.15 | %)
Effective tax rate |  |  | 0.24 | % |  |  | 0.91 | %

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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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