Note 2 - Reportable Segments (Tables)
|
6 Months Ended |
Jun. 30, 2026 |
|---|
| Notes Tables |
|
| Segment Reporting [Table Text Block] |
| | | Three Months Ended June 30, 2026 | |
| (in thousands) | | Land and Water Resources | | | Water Treatment Technology | | | Total | |
| | | | | | | | | | | | | |
| Revenues | | | 219 | | | | 760 | | | | 979 | |
| | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | |
| Cost of sales | | | 423 | | | | 580 | | | | 1,003 | |
| General and administrative | | | 7,380 | | | | 1,044 | | | | 8,424 | |
| Depreciation | | | 372 | | | | 15 | | | | 387 | |
| | | | | | | | | | | | | |
| Total costs and expenses | | | 8,175 | | | | 1,639 | | | | 9,814 | |
| | | | | | | | | | | | | |
| Operating (loss) income | | $ | (7,956 | ) | | $ | (879 | ) | | $ | (8,835 | ) |
| | | Three Months Ended June 30, 2025 | |
| (in thousands) | | Land and Water Resources | | | Water Treatment Technology | | | Total | |
| | | | | | | | | | | | | |
| Revenues | | | 431 | | | | 3,695 | | | | 4,126 | |
| | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | |
| Cost of sales | | | 614 | | | | 2,051 | | | | 2,665 | |
| General and administrative | | | 5,750 | | | | 1,185 | | | | 6,935 | |
| Depreciation | | | 294 | | | | 9 | | | | 303 | |
| | | | | | | | | | | | | |
| Total costs and expenses | | | 6,658 | | | | 3,245 | | | | 9,903 | |
| | | | | | | | | | | | | |
| Operating (loss) income | | $ | (6,227 | ) | | $ | 450 | | | $ | (5,777 | ) |
| | | Six Months Ended June 30, 2026 | |
| (in thousands) | | Land and Water Resources | | | Water Treatment Technology | | | Total | |
| | | | | | | | | | | | | |
| Revenues | | | 577 | | | | 2,034 | | | | 2,611 | |
| | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | |
| Cost of sales | | | 705 | | | | 1,505 | | | | 2,210 | |
| General and administrative | | | 13,124 | | | | 2,177 | | | | 15,301 | |
| Depreciation | | | 744 | | | | 26 | | | | 770 | |
| | | | | | | | | | | | | |
| Total costs and expenses | | | 14,573 | | | | 3,708 | | | | 18,281 | |
| | | | | | | | | | | | | |
| Operating (loss) income | | $ | (13,996 | ) | | $ | (1,674 | ) | | $ | (15,670 | ) |
| | | Six Months Ended June 30, 2025 | |
| (in thousands) | | Land and Water Resources | | | Water Treatment Technology | | | Total | |
| | | | | | | | | | | | | |
| Revenues | | | 996 | | | | 6,084 | | | | 7,080 | |
| | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | |
| Cost of sales | | | 1,113 | | | | 3,630 | | | | 4,743 | |
| General and administrative | | | 13,147 | | | | 1,895 | | | | 15,042 | |
| Depreciation | | | 589 | | | | 16 | | | | 605 | |
| | | | | | | | | | | | | |
| Total costs and expenses | | | 14,849 | | | | 5,541 | | | | 20,390 | |
| | | | | | | | | | | | | |
| Operating (loss) income | | $ | (13,853 | ) | | $ | 543 | | | $ | (13,310 | ) |
|
| Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] |
| | | June 30, 2026 | | | December 31, 2025 | |
| Operating Segment: | | | | | | | | |
| Water and Land Resources | | $ | 126,887 | | | $ | 130,900 | |
| Water Treatment Technology | | | 7,876 | | | | 10,014 | |
| | | $ | 134,763 | | | $ | 140,914 | |
|
| Goodwill [Table Text Block] |
| | | June 30, 2026 | | | December 31, 2025 | |
| Operating Segment: | | | | | | | | |
| Water and Land Resources | | $ | 3,813 | | | $ | 3,813 | |
| Water Treatment Technology | | | 1,901 | | | | 1,901 | |
| | | $ | 5,714 | | | $ | 5,714 | |
|
| Property, Plant, and Equipment [Table Text Block] |
| | | June 30, 2026 | |
| | | Water and Land Resources | | | Water Treatment Technology | | | Total | |
| | | | | | | | | | | | | |
| Land and land improvements | | $ | 39,211 | | | $ | - | | | $ | 39,211 | |
| Water programs | | | 32,457 | | | | - | | | | 32,457 | |
| Pipeline | | | 22,109 | | | | - | | | | 22,109 | |
| Buildings | | | 1,837 | | | | - | | | | 1,837 | |
| Leasehold improvements, furniture and fixtures | | | 1,616 | | | | 8 | | | | 1,624 | |
| Machinery and equipment | | | 4,076 | | | | 513 | | | | 4,589 | |
| Construction in progress | | | 7,655 | | | | 173 | | | | 7,828 | |
| | | | 108,961 | | | | 694 | | | | 109,655 | |
| Less accumulated depreciation | | | (12,369 | ) | | | (222 | ) | | | (12,591 | ) |
| | | $ | 96,592 | | | $ | 472 | | | $ | 97,064 | |
| | | December 31, 2025 | |
| | | Water and Land Resources | | | Water Treatment Technology | | | Total | |
| | | | | | | | | | | | | |
| Land and land improvements | | $ | 39,211 | | | $ | - | | | $ | 39,211 | |
| Water programs | | | 32,023 | | | | - | | | | 32,023 | |
| Pipeline | | | 22,106 | | | | - | | | | 22,106 | |
| Buildings | | | 1,805 | | | | - | | | | 1,805 | |
| Leasehold improvements, furniture and fixtures | | | 1,616 | | | | 7 | | | | 1,623 | |
| Machinery and equipment | | | 4,032 | | | | 395 | | | | 4,427 | |
| Construction in progress | | | 5,940 | | | | 78 | | | | 6,018 | |
| | | | 106,733 | | | | 480 | | | | 107,213 | |
| Less accumulated depreciation | | | (11,625 | ) | | | (204 | ) | | | (11,829 | ) |
| | | $ | 95,108 | | | $ | 276 | | | $ | 95,384 | |
|