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Note 12 - Segments - Capital Expenditures by Reportable Segment (Details) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Capital expenditures and tenant improvements | $ 1,939,712 | $ 1,122,051
Acquisition of operating properties | 8,087,250 | 7,758,066
Total real estate investments | 10,026,962 | 8,880,117
Office/Industrial Properties [Member] |  |
Capital expenditures and tenant improvements | 1,832,806 | 1,054,202
Acquisition of operating properties | 8,087,250 | 2,851,800
Model Home [Member] |  |
Acquisition of operating properties | 0 | 4,906,266
Retail Properties [Member] |  |
Capital expenditures and tenant improvements | 106,906 | 67,849
Acquisition of operating properties | $ 8,087,250 | $ 7,758,066

X
- Definition The amount of real estate acquisitions and improvements. + References No definition available. + Details
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Namespace Prefix: | sqft_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy. + References No definition available. + Details
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X
- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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- Details
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- Details
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X
- Details
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Period Type: |