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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Mortgage Maturities) (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	May 31, 2018	Oct. 13, 2016
Annual maturities of mortgage debt
2023-current maturities	$ 8,583,000
2024	2,749,000
2025	3,260,000
2026	25,209,000
2027	3,121,000
Thereafter	371,767,000
Total	414,689,000
Less: unamortized deferred financing costs	(3,213,000)
Secured Debt	$ 411,475,632	$ 370,481,390
Weighted average interest rate (as a percent)	4.05%
Effective interest rate (as a percent)	4.12%
Investment Properties
Annual maturities of mortgage debt
2023-current maturities	$ 228,573
2024	17,137,577
2025	10,246,936
2026	256,664
2027	266,775
Thereafter	138,533,358
Total	166,669,883
Less: unamortized deferred financing costs	(549,925)
Secured Debt	166,119,958		$ 166,230,563
Hamilton Essex 81
Annual maturities of mortgage debt
2025	10,000,000
Total	10,000,000
Less: unamortized deferred financing costs	(41,367)
Secured Debt	9,958,633		9,944,844
345 Franklin
Annual maturities of mortgage debt
2023-current maturities	228,573
2024	237,577
2025	246,936
2026	256,664
2027	266,775
Thereafter	7,533,358
Total	8,769,883
Less: unamortized deferred financing costs	(38,286)
Secured Debt	8,731,598		8,944,849
Hamilton Minuteman
Annual maturities of mortgage debt
Thereafter	6,000,000
Total	6,000,000
Less: unamortized deferred financing costs	(73,311)				$ (123,000)
Secured Debt	5,926,689		5,918,506
Hamilton on Main Apts
Annual maturities of mortgage debt
2024	16,900,000
Total	16,900,000
Less: unamortized deferred financing costs	(30,765)
Secured Debt	16,869,235		16,853,184
Dexter Park
Annual maturities of mortgage debt
Thereafter	125,000,000
Total	125,000,000
Less: unamortized deferred financing costs	(366,196)
Secured Debt	$ 124,633,803		$ 124,569,180	$ 82,000,000

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