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Equity Investments for Which Measurement Alternative Has Been Selected (Details Narrative) - USD ($)
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Equity Investments For Which Measurement Alternative Has Been Selected      
Equity investments in other securities $ 5,300,000   $ 21,800,000
Equity method investment, other than temporary impairment 6,300,000 $ 11,600,000  
Prior year adjustments $ 6,300,000 $ 9,600,000