Note 13 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Total Assets	$ 91,680		$ 91,680		$ 78,037
Total net operating revenues	25,713	$ 21,301	59,544	$ 52,804
Income (loss) before income taxes	1,127	842	184	2,312
Interest expense	(408)	(290)	(960)	(878)
Gain on debt extinguishment	0	0	0	1,964
Other income, net	22	85	205	298
Income before income taxes	1,127	842	184	2,312
Waste Management Services [Member]
Total net operating revenues	15,036	11,444	35,092	31,279
Golf and Related Operations [Member]
Total net operating revenues	10,702	9,872	24,508	21,557
Operating Segments [Member]
Total Assets	163,534		163,534		148,930
Total net operating revenues	25,738	21,316	59,600	52,836
Income (loss) before income taxes	2,677	2,084	4,119	5,729
Income before income taxes	2,677	2,084	4,119	5,729
Operating Segments [Member] | Waste Management Services [Member]
Total Assets	35,822		35,822		34,203
Total net operating revenues	15,036	11,444	35,092	31,279
Income (loss) before income taxes	1,454	672	3,143	2,491
Gain on debt extinguishment	0	0	0	0
Income before income taxes	1,454	672	3,143	2,491
Operating Segments [Member] | Golf and Related Operations [Member]
Total Assets	63,469		63,469		59,700
Total net operating revenues	10,677	9,857	24,452	21,525
Income (loss) before income taxes	1,223	1,412	976	3,238
Gain on debt extinguishment	0	0	0	1,462
Income before income taxes	1,223	1,412	976	3,238
Corporate, Non-Segment [Member]
Total Assets	64,243		64,243		55,027
Interest expense	(402)	(282)	(937)	(845)
Gain on debt extinguishment	0	0	0	502
Other income, net	0	2	1	10
General corporate expenses	(1,148)	(962)	(2,999)	(3,084)
Intersegment Eliminations [Member]
Total Assets	(71,854)		(71,854)		$ (70,893)
Total net operating revenues	(25)	(15)	(56)	(32)
Intersegment Eliminations [Member] | Waste Management Services [Member]
Total net operating revenues	0	0	0	0
Intersegment Eliminations [Member] | Golf and Related Operations [Member]
Total net operating revenues	$ 25	$ 15	$ 56	$ 32