Note 11 - Business Segment Information - Identifiable Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Total assets	$ 66,001	$ 67,898
Operating Segments [Member]
Total assets	120,926	121,680
Corporate, Non-Segment [Member]
Total assets	50,328	51,937
Intersegment Eliminations [Member]
Total assets	(54,925)	(53,782)
Waste Management Services [Member] | Operating Segments [Member]
Total assets	23,472	25,015
Golf and Related Operations [Member] | Operating Segments [Member]
Total assets	$ 47,126	$ 44,728