Note 6 - Discontinued Operations (Details Textual) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Foreign Currency Transaction Gain (Loss), Realized	[1]			$ (92.9)

[1] Due to the substantial liquidation of its investment in Mexico, the Company recognized a loss from foreign currency translation related to consolidated properties in the amount of $92.9 million, before noncontrolling interest of $5.8 million.