Note 4 - Intangibles - Summary of Carrying Amount of Intangible Assets and Liabilities (Details) - Real Estate [Member] - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Above-market leases	$ 4,792	$ 2,661
In-place leases	30,643	17,958
Total net real estate intangible assets	23,857	15,274
Liabilities
Below-market leases	4,792	3,290
Below-market leases accumulated amortization	(2,063)	(909)
Total net real estate intangible liabilities	2,729	2,381
Above-Market Leases [Member]
Assets:
Accumulated amortization	(1,210)	(504)
Total net real estate intangible assets	3,582
In-Place Leases [Member]
Assets:
Accumulated amortization	(10,368)	$ (4,841)
Total net real estate intangible assets	$ 20,276