Note 4 - Intangibles - Summary of Carrying Amount of Intangible Assets and Liabilities (Details) - Real Estate [Member] - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets:
Above-market leases	$ 5,150	$ 4,792
In-place leases	36,078	30,643
Total net real estate intangible assets	20,778	23,857
Liabilities
Below-market leases	4,992	4,792
Below-market leases accumulated amortization	(3,439)	(2,063)
Total net real estate intangible liabilities	1,553	2,729
Above-Market Leases [Member]
Assets:
Accumulated amortization	(2,199)	(1,210)
Total net real estate intangible assets	2,951
In-Place Leases [Member]
Assets:
Accumulated amortization	(18,251)	$ (10,368)
Total net real estate intangible assets	$ 17,827