Note 14 - Business Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Revenue from Contract with Customer, Excluding Assessed Tax, Total	$ 14,309	$ 15,113
Income (loss) before income taxes	(1,380)	731
Interest expense	(278)	(297)
Gain on debt extinguishment	0	1,087
Other income, net	64	87
Income (loss) before income taxes	(1,380)	731
Depreciation and amortization expense	829	764
Total Assets	78,613		$ 78,037
Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	9,339	11,150
Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	4,970	3,963
Operating Segments [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	14,311	15,121
Income (loss) before income taxes	(182)	1,343
Income (loss) before income taxes	(182)	1,343
Total Assets	151,449		148,930
Operating Segments [Member] | Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	9,339	11,150
Income (loss) before income taxes	654	1,143
Income (loss) before income taxes	654	1,143
Depreciation and amortization expense	0	0
Total Assets	34,650		34,203
Operating Segments [Member] | Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	4,972	3,971
Income (loss) before income taxes	(836)	200
Income (loss) before income taxes	(836)	200
Depreciation and amortization expense	0	585
Total Assets	63,273		59,700
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	(2)	(8)
Total Assets	(72,836)		(70,893)
Intersegment Eliminations [Member] | Waste Management Services [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	0	0
Intersegment Eliminations [Member] | Golf and Related Operations [Member]
Revenue from Contract with Customer, Excluding Assessed Tax, Total	2	8
Corporate, Non-Segment [Member]
Interest expense	(269)	(283)
Gain on debt extinguishment	0	502
Other income, net	1	1
General corporate expenses	(930)	(832)
Depreciation and amortization expense	0	$ 502
Total Assets	$ 53,526		$ 55,027