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Note 4 - Real Estate Assets (Details Textual)		3 Months Ended		12 Months Ended
	Dec. 07, 2022 USD ($) ft²	Mar. 31, 2024 USD ($) a ft²	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) ft²	May 05, 2023 ft²
Number of States Real Estate Property is Located		5
Number of Limited Partnerships in which Company is Sole General Partner		5
Number of Limited Liability Companies		2
Impairment of Real Estate		$ 95,548	$ 0
Restricted Cash		$ 3,100,000		$ 3,700,000
Number of Model Homes Impaired		4		3
NetREIT Palm Self-Storage LP [Member]
Subsidiary, Ownership Percentage, Parent		61.30%
Office/Industrial Properties [Member]
Area of Real Estate Property (Acre) | a		758,175
Retail Properties [Member]
Area of Real Estate Property (Acre) | ft²		65,242
Model Home [Member]
Number of Real Estate Properties		88
Area of Real Estate Property (Acre) | a		268,644
Number of Limited Partnerships in which Company is Sole General Partner		5
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 (Acre) | 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 (Acre) | ft²					45,535
Real Estate Property, Current Base Annual Rent					$ 536,080
Restricted Cash					$ 1,100,000
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

X

- Definition

Represents the number of limited liability companies.

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The number of model homes impaired.

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- Definition

The number of states in which real estate property is located.

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Represents the percentage of the property owned.

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- Definition

The amount of real estate property current base annual rent.

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Area of a real estate property.

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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
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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The yearly payments due under the lease entered into in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

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Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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