v3.25.2
Note 6 - Loans Payable (Details Textual)
Feb. 02, 2024
USD ($)
Feb. 01, 2024
USD ($)
Dec. 27, 2023
USD ($)
Sep. 15, 2021
USD ($)
Apr. 30, 2021
USD ($)
Apr. 01, 2021
Jan. 24, 2019
USD ($)
Jun. 30, 2025
USD ($)
a
Jan. 01, 2025
Dec. 31, 2024
May 20, 2021
USD ($)
Mar. 21, 2018
USD ($)
Payments Fees Deferred Percentage   50.00%                    
Payment Outstanding Invoices $ 200,000 $ 200,000                    
Payment of Future Outstanding Invoices   477,829                    
Payment Outstanding Invoices $ 200,000 $ 200,000                    
Term Loan [Member]                        
Long-term Line of Credit, Total               $ 4,609,072        
Debt Instrument, Face Amount       $ 4,950,000                
Term Loan [Member] | If Maturity Date Is Extended [Member]                        
Debt Instrument, Covenant, Maximum Loan to Value Ratio of the Property       70.00%                
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio       1.3                
Extended Term Loan [Member]                        
Debt Instrument, Interest Rate, Stated Percentage       3.75%                
Mortgage Loan [Member]                        
Debt Instrument, Face Amount     $ 1,500,000                  
Debt Instrument, Term     2 years                  
Cortlandt Manor Medical Center [Member] | Asset Pledged as Collateral [Member]                        
Area of Real Estate Property | a               5.01        
Real Estate Securing Mortgage Loan [Member] | Flowerfield Industrial Park [Member]                        
Area of Real Estate Property | a               31.8        
Collateral Pledged [Member] | Mortgage Loan [Member]                        
Debt Instrument, Face Amount     $ 1,500,000                  
Collateral Pledged [Member] | Mortgages [Member]                        
Debt Instrument, Face Amount     $ 1,500,000                  
Invoice Payable Through 2024 [Member]                        
Interest Accrued Monthly Rate, Percentage                   0.75%    
Invoice Payable Starting 2025 [Member]                        
Interest Accrued Monthly Rate, Percentage                 1.00%      
US Treasury (UST) Interest Rate [Member] | Extended Term Loan [Member]                        
Debt Instrument, Basis Spread on Variable Rate       2.75%                
Prime Rate [Member] | Mortgage Loan [Member]                        
Debt Instrument, Basis Spread on Variable Rate     1.50%                  
Non-revolving Credit Line [Member]                        
Line of Credit Facility, Maximum Borrowing Capacity                       $ 3,000,000
Long-term Line of Credit, Total         $ 2,200,000     $ 1,871,475        
Non-revolving Credit Line [Member] | Federal Home Loan Bank Rate [Member] | After Interest Only Payment Period [Member]                        
Debt Instrument, Amortization Period (Year)           20 years            
Non-revolving Credit Line [Member] | Federal Home Loan Bank Rate [Member] | After Interest Only Payment Period [Member] | Minimum [Member]                        
Debt Instrument, Basis Spread on Variable Rate         3.85%              
Non-revolving Credit Line 2 [Member]                        
Line of Credit Facility, Maximum Borrowing Capacity             $ 3,000,000          
Long-term Line of Credit, Total               $ 2,561,824     $ 3,000,000  
Non-revolving Credit Line 2 [Member] | After Interest Only Payment Period [Member]                        
Debt Instrument, Amortization Period (Year)             20 years          
Non-revolving Credit Line 2 [Member] | Federal Home Loan Bank Rate [Member] | After Interest Only Payment Period [Member] | Minimum [Member]                        
Debt Instrument, Basis Spread on Variable Rate             3.85%          
Non-revolving Credit Line 3 [Member]                        
Repayments of Debt       $ 1,050,000                
Non-revolving Credit Line 3 [Member] | Term Loan [Member]                        
Debt Instrument, Term       5 years                
Debt Instrument, Extension Term       5 years