Note 11 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Operating revenues	$ 16,364	$ 19,133	$ 41,643	$ 45,774
Income (loss) before income taxes	399	778	(559)	154
Segment income before income taxes	399	778	(559)	154
Corporate interest expense	(176)	(94)	(528)	(273)
Corporate other income, net	50	57	236	218
Intersegment Eliminations [Member]
Operating revenues	(12)	(23)	(49)	(50)
Operating Segments [Member]
Operating revenues	16,376	19,156	41,692	45,824
Income (loss) before income taxes	1,298	1,558	2,150	2,503
Segment income before income taxes	1,298	1,558	2,150	2,503
Corporate, Non-Segment [Member]
Corporate interest expense	(162)	(89)	(490)	(260)
Corporate other income, net	2	2	6	7
General corporate expenses	(739)	(693)	(2,225)	(2,096)
Waste Management Services [Member]
Operating revenues	10,831	13,593	27,934	32,625
Waste Management Services [Member] | Intersegment Eliminations [Member]
Operating revenues
Waste Management Services [Member] | Operating Segments [Member]
Operating revenues	10,831	13,593	27,934	32,625
Income (loss) before income taxes	624	950	1,852	2,035
Segment income before income taxes	624	950	1,852	2,035
Golf and Related Operations [Member]
Operating revenues	5,533	5,540	13,709	13,149
Golf and Related Operations [Member] | Intersegment Eliminations [Member]
Operating revenues	12	23	49	50
Golf and Related Operations [Member] | Operating Segments [Member]
Operating revenues	5,545	5,563	13,758	13,199
Income (loss) before income taxes	674	608	298	468
Segment income before income taxes	$ 674	$ 608	$ 298	$ 468