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v3.23.1

Note 4 - Real Estate Assets (Details Textual) |  | 12 Months Ended
--- | --- | ---
Dec. 07, 2022 USD ($) a | Dec. 31, 2022 USD ($) a | Dec. 31, 2021 USD ($)
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 |
Restricted Cash, Total | $ |  | $ 4,400,000 | $ 4,700,000
One Tenant [Member] | Customer Concentration Risk [Member] | Rental Income [Member] |  |  |
Concentration Risk, Percentage |  | 8.57% | 8.00%
NetREIT Palm Self-Storage LP [Member] |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 61.30% |
Retail Properties [Member] |  |  |
Area of Real Estate Property (Acre) |  | 65,242 |
Model Home [Member] |  |  |
Number of Real Estate Properties |  | 92 |
Number of Limited Partnerships in which Company is Sole General Partner |  | 5 |
Number of Limited Liability Companies |  | 1 |
Industrial Buildings [Member] | Office/Industrial Properties [Member] |  |  |
Number of Real Estate Properties |  | 1 |
Office/Industrial Properties [Member] |  |  |
Area of Real Estate Property (Acre) |  | 756,265 |
Genesis Plaza [Member] |  |  |
Real Estate Property, Number of Tenants-in-common Owning the Property |  | 2 |
Percentage Beneficial Ownership in Property |  | 76.40% |
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% |
Shea Center II [Member] |  |  |
Area of Real Estate Property (Acre) |  | 45,535 |
Restricted Cash, Total | $ |  | $ 1,100,000 |
Grand Pacific Center [Member] |  |  |
Area of Real Estate Property (Acre) | 33,296 |  |
Sale Leaseback Transaction, Annual Rental Payments | $ | $ 532,736 |  |
COLOMBIA |  |  |
Number of Real Estate Properties |  | 5 |
NORTH DAKOTA |  |  |
Number of Real Estate Properties |  | 4 |
SOUTH DAKOTA |  |  |
Number of Real Estate Properties |  | 1 |
TEXAS |  |  |
Number of Real Estate Properties |  | 1 |
MARYLAND |  |  |
Number of Real Estate Properties |  | 1 |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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