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Note 1 - Organization and Basis Presentation (Details Textual)	12 Months Ended	24 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Feb. 06, 2025
Number of Limited Liability Companies	2	2
Number of Limited Partnerships in which Company is Sole General Partner	6	5
Long-Term Debt, Maturity, Year One	$ 29,973,191	$ 29,973,191
Number of Reportable Segments	3
Rental Income [Member] | Customer Concentration Risk [Member]
Number of Tenants	1	1
Rental Income [Member] | Customer Concentration Risk [Member] | One Tenant [Member]
Concentration Risk, Percentage	6.90%
Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Number of Homebuilders	1	1
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Homebuilder [Member]
Concentration Risk, Percentage	15.90%
COLORADO
Number of Real Estate Properties	3	3
NORTH DAKOTA
Number of Real Estate Properties	4	4
CALIFORNIA
Number of Real Estate Properties	1	1
TEXAS
Number of Real Estate Properties	1	1
MARYLAND
Number of Real Estate Properties	1	1
Mortgage Notes [Member]
Long-Term Debt, Maturity, Year One	$ 30,000,000	$ 30,000,000
Commercial Property [Member]
Number of Real Estate Properties, Fee Simple	10	10
Number of Real Estate Properties	10	10	2
Commercial Property [Member] | Partially Owned Properties [Member]
Number of Real Estate Properties, Fee Simple	2	2
Number of Real Estate Properties	2	2
Model Home Properties [Member]
Number of Real Estate Properties	80	80
Model Home Properties [Member] | One Homebuilder [Member]
Number of Real Estate Properties	56	56
Model Home Properties [Member] | Mortgage Notes [Member]
Long-Term Debt, Maturity, Year One	$ 4,500,000	$ 4,500,000

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