INTANGIBLE LEASE ASSETS (Schedule of Intangible Lease Assets) (Details) - Acquired in-place lease - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
In-place leases and other intangibles, net of accumulated amortization of $1,753,892 and $1,406,599, respectively (with a weighted average life remaining of 8.0 years and 8.8 years, respectively)	$ 3,347,540	$ 3,694,833
Accumulated amortization	$ 1,753,892	$ 1,406,599
Useful life	8 years	8 years 9 months 18 days