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Marketable Securities (Details Narrative) - USD ($) | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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 | $ 7,137,000
Debt Instrument, Convertible, Type of Equity Security | 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). |

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