INVESTMENTS IN MARKETABLE SECURITIES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items]
Marketable Securities, Total	$ 7,750,661	$ 10,507,750
Marketable Securities, Unrealized Gain (Loss)	(21,000)	(402,000)
Real Estate Investment Trusts [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Real Estate Investment Trusts	6,197,000	8,108,000
Marketable Securities, Total	6,249,000	8,320,000
Marketable Securities, Unrealized Gain (Loss)	52,000	212,000
Mutual Funds Etf And Other [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Real Estate Investment Trusts	222,000	755,000
Marketable Securities, Total	244,000	753,000
Marketable Securities, Unrealized Gain (Loss)	22,000	(2,000)
Other Equity Securities1 [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Real Estate Investment Trusts	525,000	666,000
Marketable Securities, Total	544,000	697,000
Marketable Securities, Unrealized Gain (Loss)	19,000	31,000
Total Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Real Estate Investment Trusts	6,944,000	9,529,000
Marketable Securities, Total	7,037,000	9,770,000
Marketable Securities, Unrealized Gain (Loss)	93,000	241,000
Debt Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Real Estate Investment Trusts	696,000	847,000
Marketable Securities, Total	713,000	737,000
Marketable Securities, Unrealized Gain (Loss)	17,000	(110,000)
Total [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Real Estate Investment Trusts	7,640,000	10,376,000
Marketable Securities, Total	7,750,000	10,507,000
Marketable Securities, Unrealized Gain (Loss)	$ 110,000	$ 131,000