INVESTMENTS IN MARKETABLE SECURITIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Marketable Securities, Gain (Loss) [Abstract]
Net realized (loss) gain from sales of securities	$ (9,000)	$ 17,000	$ (80,000)	$ 6,000
Unrealized net gain (loss) in trading securities	128,000	(5,000)	(186,000)	247,000
Total net gain (loss) from investments in marketable securities	$ 119,306	$ 12,190	$ (266,200)	$ 252,747