OTHER ASSETS (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
OTHER ASSETS
Security deposits	$ 2,613,000	$ 2,420,000
Escrow deposits to fund future capital improvements	415,000	357,000
Deposits and escrows held for acquisitions	477,985	488,396
Intangible assets, net of accumulated amortization	420,000	302,000
Financing fees, net	100,000	121,000
Accumulated amortization on intangible assets	$ 690,000	$ 280,000