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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Tax Disclosure [Abstract] |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] | The components of loss before income taxes were as follows (in thousands):
| Year Ended December 31,
| 2020 |  | 2019 |  |
Domestic | $ | (4,550) |  |  | $ | (1,815) |  |  |
Foreign | (1,229) |  |  | (2,466) |  |  |
Total | $ | (5,779) |  |  | $ | (4,281) |  |  |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] | A reconciliation of income taxes computed by applying the federal statutory income tax rate of 26.5% to loss before income taxes to the total income tax benefit reported in the accompanying consolidated statements of operations is as follows (in thousands):
| Year Ended December 31,
| 2020 |  | 2019 |  |
Income tax at statutory rate | $ | (1,531) |  |  | $ | (1,134) |  |  |
Foreign rate differential | (37) |  |  | (77) |  |  |
Change in valuation allowance | 1,588 |  |  | 15,104 |  |  |
Share-based compensation expense | — |  |  | 85 |  |  |
Prior year true-ups | 119 |  |  | (13,371) |  |  |
Other differences | (135) |  |  | (607) |  |  |
Provision for income taxes | $ | 4 |  |  | $ | — |  |  |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | A valuation allowance has been recorded, as realization of such assets is uncertain. Deferred income taxes are comprised as follows (in thousands):
| December 31,
| 2020 |  | 2019
Deferred tax assets: |  |  |
Net operating loss and capital loss carryforwards | $ | 26,539 |  |  | $ | 25,064 |
Intangible assets | 2,381 |  |  | 2,319 |
Share-based compensation | 1 |  |  | 28 |
Other | 992 |  |  | 893 |
Deferred tax assets, gross | 29,913 |  |  | 28,304 |
Valuation allowance for deferred tax assets | (29,854) |  |  | (28,246) |
Deferred tax assets, net of valuation allowance | 59 |  |  | 58 |
Deferred tax liabilities: |  |  |
Indefinite-lived intangible assets | (74) |  |  | (74) |
Deferred tax liabilities | (74) |  |  | (74) |
Net deferred tax liabilities | $ | (15) |  |  | $ | (16) |

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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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