Note 13 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 14,403	$ 14,608
Income (loss) before income taxes	(786)	(613)
Interest expense	(307)	(163)
Other income, net	78	68
Income (loss) before taxes	(786)	(613)
Total Assets	77,676		$ 79,164
Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	11,133	11,434
Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	3,270	3,174
Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	14,431	14,629
Income (loss) before income taxes	317	356
Income (loss) before taxes	317	356
Total Assets	146,425		145,581
Operating Segments [Member] | Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	11,133	11,434
Income (loss) before income taxes	1,048	1,000
Income (loss) before taxes	1,048	1,000
Total Assets	30,853		31,574
Operating Segments [Member] | Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	3,298	3,195
Income (loss) before income taxes	(731)	(644)
Income (loss) before taxes	(731)	(644)
Total Assets	57,567		55,369
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	(28)	(21)
Total Assets	(68,749)		(66,417)
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	28	21
Corporate, Non-Segment [Member]
Interest expense	(297)	(152)
Other income, net	2	2
General corporate expenses	(808)	$ (819)
Total Assets	$ 58,005		$ 58,638