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Marketable Equity Securities (Details 1) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Marketable Equity Securities (Tables)
Marketable Equity Securities At Cost	$ 1,597	$ 1,704
Cumulative Unrealized Loss On Marketable Equity Securities	184	397
Marketable Equity Securities At Fair Value	$ 1,413	$ 1,307

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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