OTHER ASSETS (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
OTHER ASSETS
Security deposits	$ 3,016,000	$ 2,936,000
Escrow deposits to fund future capital improvements	538,000	501,000
Deposits and escrows held for acquisitions	528,067	446,781
Financing fees, net	$ 25,000	$ 36,000