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RELATED PARTY TRANSACTIONS (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
item
Mar. 31, 2021
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
RELATED PARTY TRANSACTIONS        
Management fee as percentage of gross receipts rental revenue 4.00%      
Management fee as a percentage of gross receipts rental revenue of Linewt, LLC 3.00%      
Management fees of related party $ 673,000 $ 605,000    
Management fee 673,084 605,391    
Repairs and maintenance 2,279,651 1,970,087    
Administrative expense 707,786 652,186    
Employer contributions in 401K plan $ 37,000      
Number of limited partnerships and limited liability companies in which the entity has invested | item 7      
Interest expense $ 3,454,635 3,364,170    
Investment Properties        
RELATED PARTY TRANSACTIONS        
Management fee 161,700 127,249    
Repairs and maintenance 594,380 670,571    
Administrative expense $ 100,086 91,579    
Number of limited partnerships and limited liability companies in which the entity has invested | item 7      
Interest expense $ 1,659,930 1,662,666    
Investment Properties | Minimum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 40.00%      
Investment Properties | Maximum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 50.00%      
Hamilton Company/Management Company        
RELATED PARTY TRANSACTIONS        
Number of employees having ownership interest in the investment properties | item 5      
Dexter Park        
RELATED PARTY TRANSACTIONS        
Management fee as percentage of gross receipts rental revenue 2.00%      
Harold Brown | Minimum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 47.60%      
Harold Brown | Maximum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 59.00%      
General Partner or Management Company [Member]        
RELATED PARTY TRANSACTIONS        
Repairs and maintenance $ 73,000      
Administrative expense 85,000      
Expenses for construction, architectural services and supervision of capital projects 37,000      
Costs related to professional services 195,000 256,000    
Management Company [Member]        
RELATED PARTY TRANSACTIONS        
Reimbursement to related party for payroll transfers 1,039,000 843,000    
Employer contributions in 401K plan $ 37,000 11,000    
Number of accounting staff of related party providing bookkeeping and accounting functions | item 14      
Fees for accounting and bookkeeping services $ 31,250 $ 31,250 $ 125,000 $ 125,000
Number of employees having ownership interest in the investment properties | item 5      
Partially owned properties        
RELATED PARTY TRANSACTIONS        
Management fee as percentage of gross receipts rental revenue 4.00%      
Management fee $ 162,000      
Repairs and maintenance 26,000      
Administrative expense 4,000      
Construction, architectural services and supervision of capital projects 7,000      
Amount paid to related party $ 199,000      
Residential and mixed-use properties | Partially owned properties | Minimum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 40.00%      
Residential and mixed-use properties | Partially owned properties | Maximum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 50.00%