Note 4 - Intangibles - Summary of Carrying Amount of Intangible Assets and Liabilities (Details) - Real Estate [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets:
Above-market leases	$ 4,153	$ 5,150
In-place leases	29,221	36,078
Total net real estate intangible assets	10,811	20,778
Liabilities
Below-market leases	3,146	4,992
Below-market leases accumulated amortization	(2,513)	(3,439)
Total net real estate intangible liabilities	633	1,553
Above-Market Leases [Member]
Assets:
Accumulated amortization	(2,469)	(2,199)
Total net real estate intangible assets	1,684
In-Place Leases [Member]
Assets:
Accumulated amortization	(20,094)	$ (18,251)
Total net real estate intangible assets	$ 9,127