Note 6 - Lease Intangible Assets 2 (Details Textual) - Lease Intangible Assets [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Intangible Asset, Finite-Lived, Amortization Expense	$ 0.1	$ 0.1	$ 0.1	$ 0.1
Location, Statement of Income, Balance [Axis]: us-gaap:OperatingLeaseLeaseIncome \| Maximum [Member]
Intangible Asset, Finite-Lived, Amortization Expense	$ 0.1	$ 0.1	$ 0.1	$ 0.1

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details