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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Tax Disclosure [Abstract] |
Components for Income Tax Expense | The components for income tax expense included in the accompanying consolidated statements of operations for the years ended December 31, 2020 and 2019 are as follows (in thousands):
| December 31, 2020 |  | December 31, 2019
Current state income tax expense | $ | 45 |  |  | $ | 38 |
Current foreign income tax expense | 211 |  |  | 78 |
Deferred federal income tax expense | — |  |  | — |
Total income tax expense | $ | 256 |  |  | $ | 116 |
Reconciliation of Income Taxes Computed Using U.S. Federal Statutory Rate to Amount Reflected in the Accompanying Consolidated Statement of Operations | A reconciliation of income taxes computed using the 21% U.S. federal statutory rate to the amount reflected in the accompanying consolidated statement of operations for the years ended December 31, 2020 and 2019 is as follows (in thousands):
| December 31, 2020 |  | December 31, 2019
Income tax benefit using U.S. federal statutory rate | $ | 1,352 |  |  | $ | 1,397 |
State income tax expense | (35) |  |  | (30) |
Foreign income tax expense | (210) |  |  | (78) |
Foreign tax rate difference | (29) |  |  | — |
Non-deductible expenses | 26 |  |  | (66) |
Change in valuation allowance | (1,383) |  |  | (1,306) |
Other | 23 |  |  | (33) |
| $ | (256) |  |  | $ | (116) |
Effects of Temporary Differences and Carryforwards that Give Rise to Deferred Tax Assets (Liabilities) | The effects of temporary differences and carryforwards that give rise to deferred tax assets (liabilities) are as follows (in thousands):
| December 31, 2020 |  | December 31, 2019
Federal net operating loss carryforward | $ | 12,203 |  |  | $ | 11,468 |
Accrued interest to related parties, not deductible until paid | 570 |  |  | 449 |
Accrued compensation | 69 |  |  | 101 |
Basis of intangible assets | 309 |  |  | 368 |
Valuation allowance | (6,639) |  |  | (5,256) |
Total deferred tax assets | 6,512 |  |  | 7,130 |
Basis of property, plant and equipment | 6,000 |  |  | 6,821 |
Bad debt expense | — |  |  | — |
Prepaid expenses | 155 |  |  | 138 |
Basis in foreign entity | 357 |  |  | 171 |
Total deferred tax liabilities | 6,512 |  |  | 7,130 |
Net deferred tax liabilities | $ | — |  |  | $ | — |

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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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