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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Mortgage Maturities) (Details) - USD ($)	Mar. 31, 2018	Mar. 31, 2017
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Less: unamortized deferred financing costs	$ (1,505,000)
Debt maturities net of unamortized deferred financing costs		$ 125,320,159
Weighted average interest rate (as a percent)	3.87%
Effective interest rate (as a percent)	3.95%
Investment Properties
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
3/31/2018	$ 1,892,247
3/31/2019	80,100,849
3/31/2020	207,527
3/31/2021	215,702
3/31/2022	224,199
Thereafter	41,556,703
Total	124,197,227
Less: unamortized deferred financing costs	(476,494)
Debt maturities net of unamortized deferred financing costs	123,720,733
Hamilton Essex 81
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Thereafter	10,000,000
Total	10,000,000
Less: unamortized deferred financing costs	(103,418)
Debt maturities net of unamortized deferred financing costs	9,896,582	9,882,793
345 Franklin
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
3/31/2018	192,094
3/31/2019	199,661
3/31/2020	207,527
3/31/2021	215,702
3/31/2022	224,199
Thereafter	8,656,703
Total	9,695,886
Less: unamortized deferred financing costs	(68,250)
Debt maturities net of unamortized deferred financing costs	9,627,636	9,805,791
Hamilton Minuteman
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Thereafter	6,000,000
Total	6,000,000
Less: unamortized deferred financing costs	(110,137)
Debt maturities net of unamortized deferred financing costs	5,889,863	5,881,680
Hamilton on Main Apts
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Thereafter	16,900,000
Total	16,900,000
Less: unamortized deferred financing costs	(102,996)
Debt maturities net of unamortized deferred financing costs	16,797,004	16,780,953
Dexter Park
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
3/31/2018	1,700,153
3/31/2019	79,901,188
Total	81,601,341
Less: unamortized deferred financing costs	(91,693)
Debt maturities net of unamortized deferred financing costs	$ 81,509,648	$ 82,968,942

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer) reported by an equity method investment of the entity. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Represents the debt maturities net of unamortized deferred financing costs.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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