Note 14 - Reportable Operating Segments - Reportable Segment Data (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating segment income (loss)	$ (1,399)	$ (1,370)
Operating Segments [Member]
Operating segment revenues	2,483	2,298
Operating segment income (loss)	789	872
Operating Segments [Member] | Land Development and Sales Segment [Member]
Operating segment revenues	0	0
Operating segment income (loss)	(266)	(83)
Operating Segments [Member] | Leasing Segment [Member]
Operating segment revenues	2,216	2,077
Operating segment income (loss)	1,224	1,283
Operating Segments [Member] | Resort Amenities Segment [Member]
Operating segment revenues	267	221
Operating segment income (loss)	$ (169)	$ (328)