Note 9 - Business Segment Information (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Golf And Related Operations [Member]
Deferred Revenue, Current	$ 2,700		$ 2,300
Increase (Decrease) in Operating Assets	$ 6,200
Waste Management Services [Member] | Sales Revenue, Segment [Member] | Customer Concentration Risk [Member] | One Customer Member
Concentration Risk, Percentage	10.70%	10.10%
Waste Management Services [Member]
Increase (Decrease) in Operating Assets	$ 1,500
Sales Revenue, Segment [Member] | Customer Concentration Risk [Member] | One Customer Member
Concentration Risk, Percentage	7.60%	7.40%
Deferred Revenue, Current	$ 2,748		$ 2,256