INVESTMENTS IN MARKETABLE SECURITIES (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Marketable Securities [Line Items]
Marketable Securities Gain	$ 69,000	$ 69,000	$ 51,000	$ 37,000
Marketable Securities Loss	10,000	25,000	104,000	108,000
Marketable Securities	2,828,497		2,828,497		$ 3,406,328
Net realized gain (loss) from sales of securities	(59,000)	$ (44,000)	(53,000)	$ (71,000)
Real Estate Investment Trusts [Member]
Marketable Securities [Line Items]
Marketable Securities	$ 1,000,000.0		$ 1,000,000.0		$ 1,700,000