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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, 2022 | Dec. 31, 2021
Theoretical tax benefit on the above amount Decrease (increase) in tax refund resulting from: |  |
Loss before income taxes | $ (28,180) | $ (12,478)
Statutory tax rate | 23.00% | 23.00%
Theoretical tax benefit | $ (6,481) | $ (2,870)
Change in temporary differences for which deferred taxes were not recognized | (1,696) | (1,332)
Tax rate differential | 20 | (101)
Non-deductible expenses | 744 | 239
Losses and other items for which a valuation allowance was provided or benefit from loss carryforwards | 6,879 | 4,064
Actual income tax expense (Benefit) | $ (534) | $ 0

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