MORTGAGE NOTES PAYABLE AND LINE OF CREDIT (Mortgages Payable) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
MORTGAGE NOTES PAYABLE
Effective interest rate (as a percent)	5.07%
Annual maturities of mortgage debt
Less: unamortized deferred financing costs	$ (606,038)
Secured Debt	212,709,080	$ 194,500,820
Mortgages payable
MORTGAGE NOTES PAYABLE
Amount of monthly installments including principal	$ 976,000
Weighted average interest rate (as a percent)	4.60%
Effective interest rate (as a percent)	4.69%
Financing fees, net	$ 1,454,000	1,516,000
Accumulated amortization on financing and leasing fees	1,061,000	833,000
Deferred financing costs	28,000	$ 75,000
Annual maturities of mortgage debt
2017-current maturities	1,765,000
2018	7,843,000
2019	1,923,000
2020	4,328,000
2021	2,449,000
Thereafter	195,826,000
Total	214,134,000
Less: unamortized deferred financing costs	1,425,000
Secured Debt	$ 212,709,000
Mortgages payable | Minimum
MORTGAGE NOTES PAYABLE
Interest rate (as a percent)	2.51%
Mortgages payable | Maximum
MORTGAGE NOTES PAYABLE
Interest rate (as a percent)	5.97%