Note 3 - Reportable Segments (Tables)
|
12 Months Ended |
Dec. 31, 2025 |
|---|
| Notes Tables |
|
| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Twelve Months Ended December 31, 2025 | |
| (in thousands) | | Land and Water Resources | | | Water Filtration Technology | | | Total | |
| | | | | | | | | | | | | |
| Revenues | | $ | 1,835 | | | $ | 14,478 | | | $ | 16,313 | |
| | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | |
| Cost of sales | | | 3,687 | | | | 7,476 | | | | 11,163 | |
| General and administrative | | | 25,013 | | | | 4,471 | | | | 29,484 | |
| Depreciation | | | 1,228 | | | | 36 | | | | 1,264 | |
| | | | | | | | | | | | | |
| Total costs and expenses | | | 29,928 | | | | 11,983 | | | | 41,911 | |
| | | | | | | | | | | | | |
| Operating income (loss) | | $ | (28,093 | ) | | $ | 2,495 | | | $ | (25,598 | ) |
| | | Twelve Months Ended December 31, 2024 | |
| (in thousands) | | Land and Water Resources | | | Water Filtration Technology | | | Total | |
| | | | | | | | | | | | | |
| Revenues | | $ | 1,708 | | | $ | 7,900 | | | $ | 9,608 | |
| | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | |
| Cost of sales | | | 2,984 | | | | 4,314 | | | | 7,298 | |
| General and administrative | | | 22,525 | | | | 1,820 | | | | 24,345 | |
| Depreciation | | | 1,159 | | | | 55 | | | | 1,214 | |
| | | | | | | | | | | | | |
| Total costs and expenses | | | 26,668 | | | | 6,189 | | | | 32,857 | |
| | | | | | | | | | | | | |
| Operating income (loss) | | $ | (24,960 | ) | | $ | 1,711 | | | $ | (23,249 | ) |
|
| Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
| | | December 31, 2025 | | | December 31, 2024 | |
| Operating Segment: | | | | | | | | |
| Water and Land Resources | | $ | 130,900 | | | $ | 123,786 | |
| Water Filtration Technology | | | 10,014 | | | | 10,708 | |
| | | $ | 140,914 | | | $ | 134,494 | |
|
| Schedule of Goodwill [Table Text Block] |
| | | December 31, 2025 | | | December 31, 2024 | |
| 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] |
| | | December 31, 2025 | |
| | | Water and Land Resources | | | Water Filtration Technology | |
| | | | | | | | | |
| Land and land improvements | | $ | 39,211 | | | $ | - | |
| Water programs | | | 32,023 | | | | - | |
| Pipeline | | | 22,106 | | | | - | |
| Buildings | | | 1,805 | | | | - | |
| Leasehold improvements, furniture and fixtures | | | 1,616 | | | | 7 | |
| Machinery and equipment | | | 4,032 | | | | 395 | |
| Construction in progress | | | 5,940 | | | | 78 | |
| | | | 106,733 | | | | 480 | |
| Less accumulated depreciation | | | (11,625 | ) | | | (204 | ) |
| | | $ | 95,108 | | | $ | 276 | |
| | | December 31, 2024 | |
| | | Water and Land Resources | | | Water Filtration Technology | |
| | | | | | | | | |
| Land and land improvements | | $ | 33,069 | | | $ | - | |
| Water programs | | | 29,383 | | | | - | |
| Pipeline | | | 22,100 | | | | - | |
| Buildings | | | 1,805 | | | | - | |
| Leasehold improvements, furniture and fixtures | | | 1,605 | | | | 4 | |
| Machinery and equipment | | | 3,870 | | | | 247 | |
| Construction in progress | | | 6,851 | | | | 6 | |
| | | | 98,683 | | | | 257 | |
| Less accumulated depreciation | | | (10,397 | ) | | | (181 | ) |
| | | $ | 88,286 | | | $ | 76 | |
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