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Note 2 - Significant Accounting Policies (Details Textual)
 3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
shares
Jun. 30, 2022
USD ($)
Mar. 31, 2023
Dec. 31, 2022
USD ($)
Amortization of above and below Market Leases $ 1,200 $ 13,700 $ 2,500 $ 27,400    
Deferred Costs 1,500,000   1,500,000     $ 1,500,000
Operating Lease, Initial Direct Cost Expense, over Term 122,000 94,000 228,000 189,000    
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents 8,700,791   8,700,791     16,516,725
Restricted Cash 3,700,000   3,700,000     4,400,000
Cash, Uninsured Amount $ 1,800,000   $ 1,800,000     8,800,000
Number of Model Homes, Held for Sale 4   4      
Marketable Securities $ 759,600   $ 759,600     797,749
Marketable Securities, Cost Basis 800,000   $ 800,000     900,000
Excise Tax Liability on Spac Redemptions, Percentage     1.00%      
Excise Tax Liability on Spac Redemptions, Amount 1,140,683   $ 1,140,683      
Common Class A [Member]            
Stock Redeemed or Called During Period, Shares (in shares) | shares     11,037,272      
Stock Redeemed or Called During Period, Value     $ 114,068,280      
Fair Value, Inputs, Level 1 [Member]            
Cash Equivalents, at Carrying Value 23,300,000   23,300,000     136,900,000
Marketable Securities 800,000   800,000     $ 800,000
US Treasury Securities [Member]            
Cash Equivalents, at Carrying Value 1,000,000.0   1,000,000.0      
Lease Intangibles [Member]            
Amortization of Intangible Assets $ 4,400 $ 50,000 $ 8,800 $ 102,000    
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  
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      
SPAC, Murphy Canyon Acquisition Corp. [Member]            
Equity Method Investment, Ownership Percentage         64.99%