Note 3 - Real Estate - Purchase Price Allocation (Details) $ in Thousands	9 Months Ended
Sep. 30, 2020 USD ($)
Allocation	$ 7,073
Tenant Improvements [Member]
Allocation, finite-lived in tangibles	$ 382
Weighted-average amortization period, finite-lived in tangibles (Year)	19 years 4 months 24 days
Leases, Acquired-in-Place [Member]
Allocation, finite-lived in tangibles	$ 925
Weighted-average amortization period, finite-lived in tangibles (Year)	19 years 4 months 24 days
Land [Member]
Allocation, Property Plant and Equipment	$ 935
Building [Member]
Allocation, Property Plant and Equipment	$ 4,610
Building (Year)	50 years
Building Improvements [Member]
Allocation, Property Plant and Equipment	$ 221
Building (Year)	45 years

The weighted-average amortization period of assets and liabilities recognized as of the acquisition date.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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