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Note 2 - Significant Accounting Policies (Details Textual)
 3 Months Ended
Mar. 31, 2023
USD ($)
shares
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Amortization of above and below Market Leases $ 1,000 $ 14,000  
Deferred Costs 1,500,000   $ 1,500,000
Operating Lease, Initial Direct Cost Expense, over Term 105,000 95,000  
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents 11,891,930   16,516,725
Restricted Cash 4,200,000   4,400,000
Cash, Uninsured Amount $ 5,300,000   7,300,000
Number of Model Homes, Held for Sale 6    
Marketable Securities $ 942,530   797,749
Marketable Securities, Cost Basis $ 1,100,000   900,000
Excise Tax Liability on Spac Redemptions, Percentage 1.00%    
Excise Tax Liability on Spac Redemptions, Amount $ 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 24,000,000   137,000,000
Marketable Securities 900,000   $ 800,000
US Treasury Securities [Member]      
Cash Equivalents, at Carrying Value 3,400,000    
Lease Intangibles [Member]      
Amortization of Intangible Assets $ 4,000 $ 52,000  
Minimum [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (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    
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    
SPAC, Murphy Canyon Acquisition Corp. [Member]      
Equity Method Investment, Ownership Percentage 64.99%