RENTAL INCOME (Rent Receivable) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
RENTAL INCOME
Allowance for doubtful rent receivable	$ 523,000	$ 373,000
Recognizing rental income from non-cancelable commercial leases with future rental increases on a straight-line basis	113,000
Deferred rental concession	138,000
Amortization of deferred rents	$ 2,000