Note 11 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net operating revenues	$ 14,577	$ 15,642	$ 25,279	$ 26,641
Income (loss) before income taxes	41	367	(958)	(624)
Segment income before income taxes	41	367	(958)	(624)
Corporate interest expense	(177)	(92)	(352)	(179)
Corporate other income, net	109	89	186	161
Intersegment Eliminations [Member]
Net operating revenues	(11)	(11)	(37)	(27)
Operating Segments [Member]
Net operating revenues	14,588	15,653	25,316	26,668
Income (loss) before income taxes	906	1,088	852	945
Segment income before income taxes	906	1,088	852	945
Corporate, Non-Segment [Member]
General corporate expenses	(703)	(633)	(1,486)	(1,403)
Corporate interest expense	(164)	(89)	(328)	(171)
Corporate other income, net	2	1	4	5
Waste Management Services [Member]
Net operating revenues	9,490	10,756	17,103	19,032
Waste Management Services [Member] | Intersegment Eliminations [Member]
Net operating revenues
Waste Management Services [Member] | Operating Segments [Member]
Net operating revenues	9,490	10,756	17,103	19,032
Income (loss) before income taxes	685	712	1,228	1,085
Segment income before income taxes	685	712	1,228	1,085
Golf and Related Operations [Member]
Net operating revenues	5,087	4,886	8,176	7,609
Golf and Related Operations [Member] | Intersegment Eliminations [Member]
Net operating revenues	11	11	37	27
Golf and Related Operations [Member] | Operating Segments [Member]
Net operating revenues	5,098	4,897	8,213	7,636
Income (loss) before income taxes	221	376	(376)	(140)
Segment income before income taxes	$ 221	$ 376	$ (376)	$ (140)