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Taxes (Reconciliation of (Benefit) Provision for Income Taxes) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Reconciliation of the (benefit) provision for income taxes |  |
Loss from continuing operations before taxes | $ (25,551) | $ (25,915)
Income tax expense computed at statutory federal tax rate | (5,366) | (5,442)
Disallowed expenses and non-taxable income | 782 | 369
Loss surrendered to generate R&D credit | 4,865 | 6,169
Additional research and development tax relief | (5,409) | (4,719)
Stock Compensation | 62 | 105
Change in valuation allowance | 1,261 | 2,310
Foreign items, including change in tax rates, and other |  | (20)
Change in UK Tax Rate |  | (2)
Other foreign items | 809 | (3,487)
Current - total | $ (2,996) | $ (4,717)

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense and repatriation of foreign earnings. + References No definition available. + Details
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- Definition The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles and income that is exempt from income taxes under enacted tax laws. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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