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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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Cumulative amount of earnings of foreign subsidiaries upon which deferred taxes have not been provided.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (a)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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