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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RELATED MATTERS (Details) - USD ($)
Jun. 30, 2023
Dec. 31, 2022
Investment in equity securities $ 506,000 $ 839,000
Significant other observable inputs [Member] | Level 2 [Member]    
Investment in equity securities 0 0
Significant other observable inputs [Member] | Level 1 [Member]    
Investment in equity securities 506,000 839,000
Significant unobservable inputs [Member] | Level 3 [Member]    
Investment in equity securities $ 0 $ 0