Note 13 - Business Segment Information - Segment Reporting Asset Information (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Total Assets	$ 90,686	$ 86,186
Operating Segments [Member] | Waste Management Services [Member]
Total Assets	39,706	35,100
Operating Segments [Member] | Golf and Related Operations [Member]
Total Assets	62,469	62,500
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Total Assets	62,790	64,247
Operating Segments and Corporate Non Segment [Member]
Total Assets	164,965	161,847
Intersegment Eliminations [Member]
Total Assets	$ (74,279)	$ (75,661)