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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 ($) | Apr. 01, 2021 | Jan. 24, 2019 USD ($) | Mar. 31, 2025 USD ($) a | Jan. 01, 2025 | Dec. 31, 2024 | May 20, 2021 USD ($) | Mar. 21, 2018 USD ($)
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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 |  |  |  |  |  |  |  | $ 4,633,519 |  |  |  |
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 |  |  | $ 1,892,592 |  |  |  |
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 |  |  |  |  |  |  |  | $ 2,590,527 |  |  | $ 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 |  |  |  |  |  |  |  |

X
- Definition The amortization period of the debt instrument. + References No definition available. + Details
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- Definition The maximum percentage of loan to value ratio of the property under the covenant of the debt instrument. + References No definition available. + Details
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- Definition The minimum debt service coverage ratio under the covenant of the debt instrument. + References No definition available. + Details
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- Definition The extension term of a debt instrument. + References No definition available. + Details
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- Definition The amount of interest to accrue on a monthly basis. + References No definition available. + Details
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- Definition The agreement to pay future outstanding invoices. + References No definition available. + Details
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- Definition The payment required on outstanding invoices. + References No definition available. + Details
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- Definition The percentage of payments being deferred. + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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