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MARKETABLE SECURITIES (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Net Investment Income [Line Items]    
Sales of marketable equity securities $ (4,062,000) $ (373,000)
Realized gains on marketable equity securities 1,924,000
Unrealized losses on marketable equity securities (1,327,000) 919,000
Realized losses on marketable equity securities 21,187,000 75,000
Equity Securities [Member]    
Net Investment Income [Line Items]    
Balance at beginning 2,563,000 640,000
Purchases of marketable equity securities in operations 385,235,000 1,425,000
Sales of marketable equity securities (4,062,000) (373,000)
Realized gains on marketable equity securities 27,377,000 75,000
Unrealized losses on marketable equity securities (14,127,000) 796,000
Purchases of marketable equity securities 2,765,000  
Conversion of debt securities to marketable securities 2,656,000  
Sales of marketable equity securities in operations (355,837,000)  
Realized losses on marketable equity securities (6,190,000)  
Balance at ending $ 40,380,000 $ 2,563,000