Note 5 - Deferred Costs and Intangible Assets - Deferred Costs and Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred costs	$ 286	$ 266
Above-market leases	480	480
Lease origination costs	3,110	3,110
In-place leases	8,078	8,078
Real estate tax abatements	12,571	12,571
Total deferred costs and intangible assets	24,525	24,505
Less accumulated amortization	(14,561)	(12,611)
Total	$ 9,964	$ 11,894