Note 4 - Deferred Costs and Intangible Assets - Deferred Costs and Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Deferred costs	$ 348	$ 348
Lease origination costs	1,102	1,078
In-place leases	428	428
Real estate tax abatements	9,142	9,142
Total deferred costs and intangible assets	11,020	10,996
Less accumulated amortization	(3,629)	(3,276)
Total	$ 7,391	$ 7,720