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Inventories (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Inventory Disclosure [Abstract] |  |
Inventory delivered to customers | $ 399 | $ 1,074

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- Definition Gross amount of merchandise or materials to which the entity holds the title, but physically at another entity's facilities (for example, but not limited to, work in process may be temporarily at the site of a subcontractor). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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