Note 6 - Real Estate (Details Textual)	3 Months Ended	6 Months Ended
Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Depreciation, Total	$ 1,011		$ 1,011	$ 2,023	$ 2,023
Proceeds from Sale of Real Estate Held-for-investment, Total				69,603	332,000
Gains (Losses) on Sales of Investment Real Estate				43,140	120,787
Impairment of Real Estate	0		0	0	0
EDI Real Estate, LLC [Member]
Depreciation, Total	$ 0		555	$ 398	2,932
Proceeds from Sale of Real Estate Held-for-investment, Total			332,000		332,000
Proceeds from Sale of Real Estate Held-for-investment, Net			75,395		75,395
Real Estate Investment Property, Net, Total			211,213		211,213
Gains (Losses) on Sales of Investment Real Estate			$ 120,787		$ 120,787
Number of Real Estate Properties Acquired	0		0	0	0
Impairment of Real Estate	$ 0		$ 0	$ 0	$ 0
Number of Real Estate Properties Sold			3		3
Vacant Lots [Member]
Number of Real Estate Properties		2
Residential Properties Sold [Member] \| EDI Real Estate, LLC [Member]
Proceeds from Sale of Real Estate Held-for-investment, Total		$ 75,000
Proceeds from Sale of Real Estate Held-for-investment, Net		69,603
Real Estate Investment Property, Net, Total		26,463
Gains (Losses) on Sales of Investment Real Estate		$ 43,140

The number of real estate properties acquired during the period.

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Number of real estate properties sold during the period.

+ References

No definition available.

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- Definition

The net cash inflow from the sale of real estate held-for-investment.

+ References

No definition available.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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-Subparagraph (a)
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The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

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The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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