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Income Taxes (Schedule of Reconciliation of Theoretical Income Tax Expense to Actual Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Theoretical tax benefit on the above amount Decrease (increase) in tax refund resulting from: |  |  |
Loss before income taxes | $ (24,221) | $ (28,180) | $ (12,478)
Statutory tax rate | 23.00% | 23.00% | 23.00%
Theoretical tax benefit | $ (5,571) | $ (6,481) | $ (2,870)
Change in temporary differences for which deferred taxes were not recognized | (1,177) | (1,696) | (1,332)
Tax rate differential | 10 | 20 | (101)
Non-deductible expenses | 346 | 744 | 239
Losses and other items for which a valuation allowance was provided or benefit from loss carryforwards | 6,392 | 6,879 | 4,064
Actual income tax expense | $ 0 | $ (534) | $ 0

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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 (benefit). + 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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