INVESTMENTS IN MARKETABLE SECURITIES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Marketable Securities, Fair Value	$ 3,075,718	$ 4,549,745
Marketable Securities, Unrealized Gain (Loss)	(454,000)	199,000
Real Estate Investment Trusts [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Marketable Securities Cost Basis	1,888,000	2,848,000
Marketable Securities, Fair Value	1,760,000	2,958,000
Marketable Securities, Unrealized Gain (Loss)	(128,000)	110,000
Mutual Funds, ETF & other [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Marketable Securities Cost Basis	210,000	258,000
Marketable Securities, Fair Value	206,000	290,000
Marketable Securities, Unrealized Gain (Loss)	(4,000)	32,000
Other Equity Securities [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Marketable Securities Cost Basis	606,000	650,000
Marketable Securities, Fair Value	608,000	785,000
Marketable Securities, Unrealized Gain (Loss)	2,000	135,000
Total Equity Securities [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Marketable Securities Cost Basis	2,704,000	3,756,000
Marketable Securities, Fair Value	2,574,000	4,033,000
Marketable Securities, Unrealized Gain (Loss)	(130,000)	276,000
Debt Securities [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Marketable Securities Cost Basis	517,000	485,000
Marketable Securities, Fair Value	502,000	517,000
Marketable Securities, Unrealized Gain (Loss)	(15,000)	32,000
Total [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Marketable Securities Cost Basis	3,221,000	4,241,000
Marketable Securities, Fair Value	3,076,000	4,550,000
Marketable Securities, Unrealized Gain (Loss)	$ (145,000)	$ 309,000