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Note 4 - Real Estate Assets (Details Textual)		12 Months Ended
	Dec. 07, 2022 USD ($) ft²	Dec. 31, 2023 USD ($) ft² a	Dec. 31, 2022 USD ($) ft²	May 05, 2023 ft²
Number of States Real Estate Property is Located		3
Number of Limited Partnerships in which Company is Sole General Partner		5
Number of Limited Liability Companies		2
Impairment of Real Estate		$ 2,398,097	$ (0)
Restricted Cash		$ 3,700,000	$ 4,400,000
NetREIT Palm Self-Storage LP [Member]
Subsidiary, Ownership Percentage, Parent		61.30%
Office/Industrial Properties [Member]
Area of Real Estate Property (Square Foot) | a		758,175
Retail Properties [Member]
Area of Real Estate Property (Square Foot) | ft²		65,242
Model Home [Member]
Number of Real Estate Properties		110
Number of Limited Partnerships in which Company is Sole General Partner		6
Number of Limited Liability Companies		1
Office Building [Member] | Office/Industrial Properties [Member]
Number of Real Estate Properties		1
Genesis Plaza [Member] | Tenant-in-common One [Member]
Percentage Ownership in Property		57.00%
Genesis Plaza [Member] | Tenant-in-common Two [Member]
Percentage Ownership in Property		43.00%
Percentage Beneficial Ownership in Property		76.40%
Grand Pacific Center [Member]
Area of Real Estate Property (Square Foot) | ft²	33,296			33,296
Sale Leaseback Transaction, Annual Rental Payments	$ 532,736
One Park Centre [Member]
Impairment of Real Estate		$ 2,000,000
Shea Center II [Member]
Area of Real Estate Property (Square Foot) | ft²		45,535	45,535
Real Estate Property, Current Base Annual Rent			$ 536,080
Restricted Cash		$ 1,100,000	$ 1,100,000
Model Home [Member]
Number of Real Estate Properties		40	31
Model Home [Member] | Discontinued Operations, Held-for-Sale [Member]
Number of Real Estate Properties		8
Impairment of Real Estate		$ 400,000
Office Buildings [Member] | Office/Industrial Properties [Member]
Number of Real Estate Properties		8
Retail Site [Member] | Retail Properties [Member]
Number of Real Estate Properties		3
COLOMBIA
Number of Real Estate Properties		5
NORTH DAKOTA
Number of Real Estate Properties		4
CALIFORNIA
Number of Real Estate Properties		1
TEXAS
Number of Real Estate Properties		1
MARYLAND
Number of Real Estate Properties		1

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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