Note 11 - Business Segment Information - Identifiable Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Total assets	$ 66,838	$ 67,898
Operating Segments [Member]
Total assets	121,885	121,680
Corporate, Non-Segment [Member]
Total assets	49,972	51,937
Intersegment Eliminations [Member]
Total assets	(55,047)	(53,782)
Waste Management Services [Member] | Operating Segments [Member]
Total assets	25,890	25,015
Golf and Related Operations [Member] | Operating Segments [Member]
Total assets	$ 46,023	$ 44,728