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Marketable equity securities with readily determinable market prices consisted of the following as of September 30, 2022 and December 31, 2021: (Details) - Common Stock [Member] - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Net Investment Income [Line Items] |  |
Cost | $ 16,182,000 | $ 53,475,000
Gross unrealized gains | 281,000 | 32,000
Gross unrealized losses | (7,902,000) | (13,127,000)
Fair value | $ 8,561,000 | $ 40,380,000

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- Definition Amount of unrealized gain (loss) recognized in the income statement on unsold other securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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