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Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) Customer Segment Unit | Dec. 31, 2021 USD ($)
Property, Plant and Equipment [Line Items] |  |
Provision for doubtful accounts | $ 20 | $ 20
Number of major customers | Customer | 4 |
Percentage of revenue contributed by major customers | 33.00% |
Number of operating segments | Segment | 1 |
Number of reporting units | Unit | 1 |
Cumulative amount of earnings of foreign subsidiaries upon which deferred taxes not provided | $ 16,300 |
Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Remaining lease terms | 2 years |
Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Remaining lease terms | 10 years |

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