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Income Taxes (Details Textual) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Income Taxes |  |
Unrecognized tax benefits impacting effective tax rate | $ 861 | $ 298
Unrecognized tax benefits, interest and penalties | 23 | $ 9
Domestic tax authority | Internal revenue service (IRS) |  |
Income Taxes |  |
Net operating loss carryforwards | 800 |
State and local jurisdiction |  |
Income Taxes |  |
Net operating loss carryforwards | 20,500 |
Foreign tax authority | Tax authority, spain |  |
Income Taxes |  |
Net operating loss carryforwards | $ 9,900 |

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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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