Note 14 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 15,113	$ 14,403
Income (loss) before income taxes	731	(786)
Interest expense	(297)	(307)
Gain on debt extinguishment	1,087
Other income, net	87	78
Income (loss) before income taxes	731	(786)
Total Assets	79,776		$ 77,950
Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	11,150	11,133
Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	3,963	3,270
Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	15,121	14,431
Income (loss) before income taxes	1,343	317
Income (loss) before income taxes	1,343	317
Total Assets	151,472		149,163
Operating Segments [Member] | Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	11,150	11,133
Income (loss) before income taxes	1,143	1,048
Gain on debt extinguishment
Income (loss) before income taxes	1,143	1,048
Total Assets	33,385		31,875
Operating Segments [Member] | Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	3,971	3,298
Income (loss) before income taxes	200	(731)
Gain on debt extinguishment	585
Income (loss) before income taxes	200	(731)
Total Assets	59,614		57,863
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	(8)	(28)
Total Assets	(71,696)		(71,213)
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	8	28
Corporate, Non-Segment [Member]
Interest expense	(283)	(297)
Gain on debt extinguishment	502
Other income, net	1	2
General corporate expenses	(832)	$ (808)
Total Assets	$ 58,473		$ 59,425