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Note 4 - Real Estate Assets (Details Textual)				1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2022 USD ($) ft²	Dec. 07, 2022 USD ($) ft²	Jul. 12, 2021 shares	Jul. 31, 2024 shares	Sep. 30, 2024 USD ($) a ft²	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) a ft²	Sep. 30, 2024 USD ($) a ft²	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	May 05, 2023 ft²
Number of States Real Estate Property is Located					3		3	3
Number of Limited Partnerships in which Company is Sole General Partner							5
Number of Limited Liability Companies					2		2	2
Impairment of Real Estate					$ 697,146	$ 0		$ 893,939	$ 0
Restricted Cash					3,500,000		$ 3,500,000	3,500,000		$ 3,700,000
Depreciation					$ 1,300,000	$ 1,200,000		$ 3,800,000	$ 3,700,000
Common Class A [Member]
Stock Issued During Period, Shares, New Issues (in shares) | shares			1,000,000
Common Class A [Member] | NetREIT Genesis II [Member] | Shares Issued for Ownership Exchange [Member]
Stock Issued During Period, Shares, New Issues (in shares) | shares				78,215
NetREIT Genesis [Member]
Subsidiary, Ownership Percentage, Parent					100.00%		100.00%	100.00%
NetREIT Genesis II [Member]
Subsidiary, Ownership Percentage, Parent					81.50%		81.50%	81.50%
NetREIT Genesis II [Member] | Common Class A [Member] | Shares Issued for Ownership Exchange [Member]
Stock Issued in Exchange for Ownership Percentage				36.40%
NetREIT Palm Self-Storage LP [Member]
Subsidiary, Ownership Percentage, Parent					61.30%		61.30%	61.30%
Office/Industrial Properties [Member]
Area of Real Estate Property (Acre) | a					758,175		758,175	758,175
Retail Properties [Member]
Area of Real Estate Property (Acre) | ft²					65,242		65,242	65,242
Model Home Properties [Member]
Number of Real Estate Properties					83		83	83
Area of Real Estate Property (Acre) | ft²					251,602		251,602	251,602
Number of Limited Partnerships in which Company is Sole General Partner								6
Number of Limited Liability Companies					1		1	1
Model Home [Member]
Number of Limited Partnerships in which Company is Sole General Partner								5
Office Building [Member] | Office/Industrial Properties [Member]
Number of Real Estate Properties					1		1	1
Genesis Plaza [Member] | Tenant-in-common One [Member]
Percentage Ownership in Property					57.00%		57.00%	57.00%
Percentage Beneficial Ownership in Property					92.00%		92.00%	92.00%
Genesis Plaza [Member] | Tenant-in-common Two [Member]
Percentage Ownership in Property					43.00%		43.00%	43.00%
Percentage Beneficial Ownership in Property					92.00%		92.00%	92.00%
Dakota Center [Member]
Impairment of Real Estate					$ 700,000			$ 700,000
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								$ 0		$ 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
Property Space Leased, Percentage					35.00%		35.00%	35.00%
Property Space Not Leased, Percentage					65.00%		65.00%	65.00%
Model Home Properties [Member]
Impairment of Real Estate					$ 41,656			$ 238,449
Office Buildings [Member] | Office/Industrial Properties [Member]
Number of Real Estate Properties					8		8	8
Retail Site [Member] | Retail Properties [Member]
Number of Real Estate Properties					3		3	3
COLOMBIA
Number of Real Estate Properties					5		5	5
NORTH DAKOTA
Number of Real Estate Properties					4		4	4
CALIFORNIA
Number of Real Estate Properties					1		1	1
TEXAS
Number of Real Estate Properties					1		1	1
MARYLAND
Number of Real Estate Properties					1		1	1

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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.

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

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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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