Note 13 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 16,705	$ 14,577	$ 28,221	$ 25,279
Income (loss) before income taxes	535	41	(360)	(958)
Corporate interest expense	(174)	(177)	(345)	(352)
Corporate other income, net	113	109	173	186
Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	11,510	9,490	19,968	17,103
Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	5,195	5,087	8,253	8,176
Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	16,721	14,588	28,262	25,316
Income (loss) before income taxes	1,358	906	1,524	852
Operating Segments [Member] \| Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	11,510	9,490	19,968	17,103
Income (loss) before income taxes	977	685	1,524	1,228
Operating Segments [Member] \| Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	5,211	5,098	8,294	8,213
Income (loss) before income taxes	381	221		(376)
Corporate, Non-Segment [Member]
Corporate interest expense	(161)	(164)	(320)	(328)
Corporate other income, net	11	2	13	4
General corporate expenses	(673)	(703)	(1,577)	(1,486)
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	(16)	(11)	(41)	(37)
Intersegment Eliminations [Member] \| Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total
Intersegment Eliminations [Member] \| Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 16	$ 11	$ 41	$ 37

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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