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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Mortgage Maturities) (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	May 31, 2018	Sep. 12, 2016
Annual maturities of mortgage debt
2025	$ 3,013,000
2026	22,043,000
2027	6,625,000
2028	23,180,000
2029	58,851,000
Thereafter	297,032,000
Total	410,744,000
Less: unamortized deferred financing costs	(2,684,000)
Secured Debt	$ 408,060,293	$ 408,660,292
Weighted average interest rate (as a percent)	4.23%
Effective interest rate (as a percent)	4.29%
Investment Properties
Annual maturities of mortgage debt
2025	$ 17,142,212
2026	10,251,753
2027	261,671
2028	271,979
2029	132,396,056
Thereafter	6,000,000
Total	166,323,671
Less: unamortized deferred financing costs	(385,968)
Secured Debt	165,937,703		$ 166,061,429
Hamilton Essex 81
Annual maturities of mortgage debt
2026	10,000,000
Total	10,000,000
Less: unamortized deferred financing costs	(20,684)
Secured Debt	9,979,316		9,965,527
345 Franklin
Annual maturities of mortgage debt
2025	242,212
2026	251,753
2027	261,671
2028	271,979
2029	7,396,056
Total	8,423,671
Less: unamortized deferred financing costs	(28,298)
Secured Debt	8,395,372		8,621,745
Hamilton Minuteman
Annual maturities of mortgage debt
Thereafter	6,000,000
Total	6,000,000
Less: unamortized deferred financing costs	(61,035)				$ (123,000)
Secured Debt	5,938,965		5,930,781
Hamilton on Main Apts
Annual maturities of mortgage debt
2025	16,900,000
Total	16,900,000
Less: unamortized deferred financing costs	(6,688)
Secured Debt	16,893,312		16,877,261
Dexter Park
Annual maturities of mortgage debt
2029	125,000,000
Total	125,000,000
Less: unamortized deferred financing costs	(269,263)
Secured Debt	$ 124,730,738		$ 124,666,115	$ 82,000,000