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Note 2 - Reportable Segments (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Three Months Ended September 30, 2024
(in thousands)		Land and Water Resources				Water Filtration Technology				Total
Revenues		$	383			$	2,841			$	3,224
Costs and expenses:
Cost of sales			557				1,852				2,409
General and administrative			4,820				455				5,275
Depreciation			292				15				307
Total costs and expenses			5,669				2,322				7,991
Operating income (loss)		$	(5,286	)		$	519			$	(4,767	)

		Three Months Ended September 30, 2023
(in thousands)		Land and Water Resources				Water Filtration Technology				Total
Revenues		$	199			$	169			$	368
Costs and expenses:
Cost of sales			513				179				692
General and administrative			4,927				200				5,127
Depreciation			277				31				308
Total costs and expenses			5,717				410				6,127
Operating loss		$	(5,518	)		$	(241	)		$	(5,759	)

		Nine Months Ended September 30, 2024
(in thousands)		Land and Water Resources				Water Filtration Technology				Total
Revenues		$	1,369			$	3,489			$	4,858
Costs and expenses:
Cost of sales			1,896				2,369				4,265
General and administrative			15,217				1,093				16,310
Depreciation			866				41				907
Total costs and expenses			17,979				3,503				21,482
Operating loss		$	(16,610	)		$	(14	)		$	(16,624	)

		Nine Months Ended September 30, 2023
(in thousands)		Land and Water Resources				Water Filtration Technology				Total
Revenues		$	708			$	599			$	1,307
Costs and expenses:
Cost of sales			967				515				1,482
General and administrative			13,926				452				14,378
Depreciation			826				116				942
Total costs and expenses			15,719				1,083				16,802
Operating loss		$	(15,011	)		$	(484	)		$	(15,495	)

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

		September 30, 2024				December 31, 2023
Operating Segment:
Water and Land Resources		$	102,536			$	101,946
Water Filtration Technology			10,017				5,428
		$	112,553			$	107,374

Schedule of Goodwill [Table Text Block]

		September 30, 2024				December 31, 2023
Operating Segment:
Water and Land Resources		$	3,813			$	3,813
Water Filtration Technology			1,901				1,901
		$	5,714			$	5,714

Property, Plant and Equipment [Table Text Block]

		September 30, 2024
		Water and Land Resources				Water Filtration Technology
Land and land improvements		$	33,004			$	-
Water programs			29,331				-
Pipeline			22,099				-
Buildings			1,805				-
Leasehold improvements, furniture and fixtures			1,605				4
Machinery and equipment			3,826				247
Construction in progress			5,107				6
			96,777				257
Less accumulated depreciation			(10,103	)			(171	)
		$	86,674			$	86

		December 31, 2023
		Water and Land Resources				Water Filtration Technology
Land and land improvements		$	32,357			$	-
Water programs			29,209				-
Pipeline			22,096				-
Buildings			1,730				-
Leasehold improvements, furniture and fixtures			1,605				4
Machinery and equipment			3,719				210
Construction in progress			5,664				-
			96,380				214
Less accumulated depreciation			(9,238	)			(139	)
		$	87,142			$	75

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