Note 4 - Intangibles - Summary of Carrying Amount of Intangible Assets and Liabilities (Details) - Real Estate [Member] - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets:
Above-market leases	$ 4,773	$ 4,792
In-place leases	30,516	30,643
Total net real estate intangible assets	19,394	23,857
Liabilities
Below-market leases	4,779	4,792
Below-market leases accumulated amortization	(2,799)	(2,063)
Total net real estate intangible liabilities	1,980	2,729
Above-Market Leases [Member]
Assets:
Accumulated amortization	(1,693)	(1,210)
Total net real estate intangible assets	3,080
In-Place Leases [Member]
Assets:
Accumulated amortization	(14,202)	$ (10,368)
Total net real estate intangible assets	$ 16,314