Note 4 - Real Estate Under Development - Costs Incurred for Real Estate Development (Details) - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018
Property Under Development	[1]	$ 300,976	$ 241,384
Dania Pointe - Phase II, III, and IV [Member]
Property Under Development		223,164	152,111
Mill Station [Member]
Property Under Development		77,812	55,771
Promenade at Christiana [Member]
Property Under Development	[2]	$ 0	$ 33,502

[1] Includes capitalized costs of interest, real estate taxes, insurance, legal costs and payroll of $27.4 million and $24.9 million, as of September 30, 2019 and December 31, 2018, respectively.

[2] During the nine months ended September 30, 2019, the Company reclassified this project to Real estate, net of accumulated depreciation and amortization on the Company's Condensed Consolidated Balance Sheets, as it is now the Company's intention to discontinue development of this project and to market it for sale as is. The as is value, estimated fair value, was below the carrying value and as such, the Company recorded an impairment charge of $11.5 million during the nine months ended September 30, 2019.