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Note 7 - Mortgage Notes Payable (Details Textual) $ in Thousands	Jun. 20, 2024 USD ($)	May 05, 2023 USD ($) ft²	Jun. 30, 2025 USD ($)
Grand Pacific Center [Member]
Area of Real Estate Property (Square Foot) | ft²		33,296
Model Home [Member]
Number of Real Estate Properties Held for Sale			5
Mortgage Loan on West Fargo Industrial Properties [Member]
Debt Instrument, Face Amount	$ 5,750
Debt Instrument, Term (Year)	5 years
Debt Instrument, Interest Rate, Stated Percentage	7.14%
Debt Instrument, Quarterly Debt Service Coverage Ratio	1.2
Refinanced Loan [Member]
Debt Instrument, Face Amount		$ 3,800
Debt Instrument, Term (Year)		10 years
Debt Instrument, Interest Rate, Stated Percentage		6.35%
Construction Loan [Member]
Debt Instrument, Face Amount		$ 2,700
Debt Instrument, Term (Year)		10 years
Debt Instrument, Interest Rate, Stated Percentage		6.35%
Loans Payable			$ 2,700
Mortgage Notes [Member] | Model Home [Member]
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio			1.1
Mortgage Notes [Member] | Model Home [Member] | Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage			6.00%
Mortgage Notes [Member] | Model Home [Member] | Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage			8.00%

X

- Definition

Minimum fixed charge coverage ratio under the covenant of the debt instrument.

+ References

No definition available.

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- Definition

reprints quarterly debt service coverage ratio related to debt instrument.

+ References

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X

- Definition

Represents the number of real estate properties held for sale.

+ References

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- Definition

Area of a real estate property.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482949/835-30-55-8

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-Topic 470
-SubTopic 20
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-Section 50
-Paragraph 1B
-Subparagraph (a)
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-Topic 835
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X

- 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))
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X

- 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

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X

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

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-Section S99
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
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-Topic 944
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