INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Mortgage Maturities) (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	May 31, 2018	Sep. 12, 2016
Annual maturities of mortgage debt
2025	$ 3,196,000
2026	21,931,000
2027	6,595,000
2028	23,165,000
2029	58,327,000
Thereafter	296,832,000
Total	410,046,000
Less: unamortized deferred financing costs	(2,589,000)
Secured Debt	$ 407,457,271	$ 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	$ 17,144,563
2026	10,254,197
2027	264,211
2028	125,274,619
2029	7,326,402
Thereafter	6,000,000
Total	166,263,992
Less: unamortized deferred financing costs	(358,642)
Secured Debt	165,905,350		$ 166,031,339
Hamilton Essex 81
Annual maturities of mortgage debt
2026	10,000,000
Total	10,000,000
Less: unamortized deferred financing costs	(17,236)
Secured Debt	9,982,764		9,968,975
345 Franklin
Annual maturities of mortgage debt
2025	244,563
2026	254,197
2027	264,211
2028	274,619
2029	7,326,402
Total	8,363,992
Less: unamortized deferred financing costs	(26,634)
Secured Debt	8,337,358		8,565,993
Hamilton Minuteman
Annual maturities of mortgage debt
Thereafter	6,000,000
Total	6,000,000
Less: unamortized deferred financing costs	(58,990)				$ (123,000)
Secured Debt	5,941,010		5,932,827
Hamilton on Main Apts
Annual maturities of mortgage debt
2025	16,900,000
Total	16,900,000
Less: unamortized deferred financing costs	(2,675)
Secured Debt	16,897,325		16,881,274
Dexter Park
Annual maturities of mortgage debt
2028	125,000,000
Total	125,000,000
Less: unamortized deferred financing costs	(253,107)
Secured Debt	$ 124,746,893		$ 124,682,270	$ 82,000,000