Note 11 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Waste Management Services [Member] | Operating Segments [Member]
Net operating revenues	$ 13,593	$ 9,679	$ 32,625	$ 27,821
Income (loss) before income taxes	950	560	2,035	1,171
Waste Management Services [Member] | Intersegment Eliminations [Member]
Net operating revenues
Waste Management Services [Member]
Net operating revenues	13,593	9,679	32,625	27,821
Golf and Related Operations [Member] | Operating Segments [Member]
Net operating revenues	5,563	4,925	13,199	11,475
Income (loss) before income taxes	608	509	468	55
Golf and Related Operations [Member] | Intersegment Eliminations [Member]
Net operating revenues	23	27	50	64
Golf and Related Operations [Member]
Net operating revenues	5,540	4,898	13,149	11,411
Operating Segments [Member]
Net operating revenues	19,156	14,604	45,824	39,296
Income (loss) before income taxes	1,558	1,069	2,503	1,226
Intersegment Eliminations [Member]
Net operating revenues	(23)	(27)	(50)	(64)
Corporate, Non-Segment [Member]
Income (loss) before income taxes	(693)	(586)	(2,096)	(2,089)
Corporate interest expense	(89)	(51)	(260)	(54)
Corporate other income, net	2	3	7	20
Net operating revenues	19,133	14,577	45,774	39,232
Income (loss) before income taxes	778	435	154	(897)
Corporate interest expense	(94)	(55)	(273)	(67)
Corporate other income, net	$ 57	$ 64	$ 218	$ 237