Note 13 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 18,148	$ 16,364	$ 46,369	$ 41,643
Income (loss) before income taxes	805	399	445	(559)
Corporate interest expense	(167)	(176)	(512)	(528)
Corporate other income, net	45	50	218	236
Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	12,557	10,831	32,525	27,934
Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	5,591	5,533	13,844	13,709
Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	18,163	16,376	46,426	41,692
Income (loss) before income taxes	1,699	1,298	3,223	2,150
Operating Segments [Member] \| Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	12,557	10,831	32,525	27,934
Income (loss) before income taxes	1,244	624	2,768	1,852
Operating Segments [Member] \| Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	5,606	5,545	13,901	13,758
Income (loss) before income taxes	455	674	455	298
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	(15)	(12)	(57)	(49)
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	15	12	57	49
Corporate, Non-Segment [Member]
Corporate interest expense	(154)	(162)	(474)	(490)
Corporate other income, net	1	2	14	6
General corporate expenses	$ (741)	$ (739)	$ (2,318)	$ (2,225)

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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