Note 4 - Real Estate Under Development - Costs Incurred for Real Estate Development (Details) - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Property Under Development	[1]	$ 304,624	$ 241,384
Dania Pointe - Phase II, III, and IV [Member]
Property Under Development		203,871	152,111
Mill Station [Member]
Property Under Development		67,243	55,771
Promenade at Christiana [Member]
Property Under Development	[2]	$ 33,510	$ 33,502

[1] Includes capitalized costs of interest, real estate taxes, insurance, legal costs and payroll of $30.1 million and $24.9 million, as of June 30, 2019 and December 31, 2018, respectively.

[2] Project to be developed in the future.