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Marketable EQUITY Securities (Tables)
9 Months Ended
Sep. 30, 2024
Marketable Equity Securities  
Schedule of marketable securities
                
   Marketable equity securities at September 30, 2024 
       Gross unrealized   Gross unrealized     
   Cost   gains   losses   Fair value 
Common shares  $5,476,000   $672,000   $(5,461,000)  $687,000 

 

   Marketable equity securities at December 31, 2023 
       Gross unrealized   Gross unrealized     
   Cost   gains   losses   Fair value 
Common shares  $5,119,000   $12,000   $(5,104,000)  $27,000