SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RELATED MATTERS (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Investment in equity securities	$ 2,806,000	$ 5,875,000
Total fair value [Member]
Investment in equity securities	2,806,000	5,875,000
Quoted prices in active markets for identical assets [Member] | (Level 1) [Member]
Investment in equity securities	2,806,000	5,875,000
Significant other observable inputs [Member] | (Level 2) [Member]
Investment in equity securities	0	0
Significant unobservable inputs [Member] | (Level 3) [Member]
Investment in equity securities	$ 0	$ 0