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Marketable Securities (Details Narrative) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]    
Held value of marketable securities $ 6,287,000 $ 7,631,000
Marketable securities $ 6,287,000 $ 7,631,000
Equity securities description The net gain recognized for the three-month period ended September 30, 2024 on equity securities was $273,000. The net losses recognized for the three-month period ended September 30, 2024 on equity securities sold during the period were ($59,000). The unrealized gains recognized for the three-month period ended September 30, 2024 on equity securities still held was $332,000. The net gain recognized for the nine-month period ended September 30, 2024 on equity securities was $96,000. The net losses recognized for the nine-month period ended September 30, 2024 on equity securities sold during the period were ($277,000). The unrealized gains recognized for the nine-month period ended September 30, 2024 on equity securities still held was $373,000. The net loss recognized for the three-month period ended September 30, 2023 on equity securities was ($309,000).  The net losses recognized for the three-month period ended September 30, 2023 on equity securities sold during the period were ($42,000). The unrealized losses recognized during the three-month period ended September 30, 2023 on equity securities still held was ($267,000). The net losses recognized for the nine-month period ended September 30, 2023 on equity securities was ($201,000). The net losses recognized for the nine-month period ended September 30, 2023 on equity securities sold during the period were ($130,000). The unrealized losses recognized during the nine-month period ended September 30, 2023 on equity securities still held was ($71,000).