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Note 2 - Significant Accounting Policies (Details Textual) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 22, 2024 USD ($) $ / shares shares | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Sep. 22, 2023 shares
Amortization of above and below Market Leases |  | $ 1,244 |  | $ 2,487 |  |  |  |  |
Deferred Costs |  | 1,600,000 |  |  |  | $ 1,600,000 |  | $ 1,700,000 |
Operating Lease, Initial Direct Cost Expense, over Term |  | 119,278 |  | 122,330 |  | 244,099 | $ 228,151 |  |
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents |  | 8,534,881 |  |  |  | 8,534,881 |  | 6,510,428 |
Restricted Cash |  | 3,200,000 |  |  |  | 3,200,000 |  | 3,700,000 |
Cash, Uninsured Amount |  | 3,200,000 |  |  |  | 3,200,000 |  | 700,000 |
Unamortized Deferred Stock Costs |  | 0 |  |  |  | 0 |  | 5,000 |
Impairment of Real Estate |  | 101,245 |  | 0 |  | 196,793 | $ 0 |  |
Proceeds from Sale of Real Estate |  |  |  |  |  | 20,100,000 |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  | 2,800,000 |  |  |
Marketable Securities |  | 0 |  |  |  | 0 |  | 45,149 |
Marketable Securities, Cost Basis |  |  |  |  |  |  |  | 40,315 |
Equity Securities, FV-NI |  | 4,413,989 |  |  |  | 4,413,989 |  | 18,318,521 |
Accounts Payable and Accrued Liabilities |  | 3,501,779 |  |  |  | 3,501,779 |  | 4,770,845 |
Revision of Prior Period, Error Correction, Adjustment [Member] |  |  |  |  |  |  |  |  |
Accounts Payable and Accrued Liabilities |  |  |  |  |  |  |  | (21,189) |
Additional Paid in Capital |  |  |  |  |  |  |  | 21,189 |
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition |  |  | $ 317,077 | $ 228,657 | $ 232,106 |  |  |  |
Conduit Pharmaceuticals Inc [Member] | Private Warrants [Member] |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares | 540,000 |  |  |  |  |  |  |  | 754,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 3.12 |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Term (Year) | 2 years |  |  |  |  |  |  |  |
Warrant or Right, Exercisable Period (Year) | 1 year |  |  |  |  |  |  |  |
Warrants and Rights Outstanding | $ 891,000 | 156,600 |  |  |  | 156,600 |  |  |
Conduit Pharmaceuticals Inc [Member] |  |  |  |  |  |  |  |  |
Lock-up Agreement, Shares (in shares) | shares | 2,700,000 |  |  |  |  |  |  |  |
Investment Owned, Balance, Shares (in shares) | shares | 4,015,250 |  |  |  |  |  |  |  |
Equity Securities, FV-NI |  | 4,300,000 |  |  |  | 4,300,000 |  | 18,300,000 |
Investment Owned, Fair Value |  | $ 4,400,000 |  |  |  | $ 4,400,000 |  |  |
Fair Value, Inputs, Level 1 [Member] |  |  |  |  |  |  |  |  |
Marketable Securities |  |  |  |  |  |  |  | $ 45,149 |
Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  | 42 |  | 10 |  | 42 | 10 |  |
Proceeds from Sale of Real Estate |  |  |  |  |  | $ 20,100,000 | $ 4,600,000 |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  | 2,800,000 | 1,500,000 |  |
Finite-lived Intangibles, Other Than Lease Intangibles [Member] |  |  |  |  |  |  |  |  |
Amortization of Intangible Assets |  | $ 4,382 |  | $ 8,763 |  | $ 4,382 | $ 8,763 |  |
Minimum [Member] |  |  |  |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (Year) |  | 1 year |  |  |  | 1 year |  |  |
Leasehold Improvements [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (Year) |  | 10 years |  |  |  | 10 years |  |  |
Furniture and Fixtures [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (Year) |  | 5 years |  |  |  | 5 years |  |  |
Furniture and Fixtures [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (Year) |  | 1 year |  |  |  | 1 year |  |  |
Murphy Canyon Acquisition Sponsor, LLC (SPAC) [Member] |  |  |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  |  |  | 65.00%

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- Definition Amount of non-cash amortization of intangible asset (liability) for above and below market leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
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