INVESTMENTS IN MARKETABLE SECURITIES (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Marketable Securities Purchases Of Company Details [Line Items]
Marketable Securities Gain	$ 3,000	$ 21,000
Marketable Securities Loss	31,000	29,000
Marketable Securities	3,606,821		$ 3,075,718
Net realized loss from sales of securities	(28,000)	$ (8,000)
Real Estate Investment Trusts [Member]
Marketable Securities Purchases Of Company Details [Line Items]
Marketable Securities	$ 1,910,000		$ 1,760,000