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v3.24.3

Note 2 - Reportable Segments - Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Revenues | $ 3,224 | $ 368 | $ 4,858 | $ 1,307
Cost of sales | 2,409 | 692 | 4,265 | 1,482
General and administrative | 5,275 | 5,127 | 16,310 | 14,378
Depreciation | 307 | 308 | 907 | 942
Total costs and expenses | 7,991 | 6,127 | 21,482 | 16,802
Operating income (loss) | (4,767) | (5,759) | (16,624) | (15,495)
Water and Land Resources [Member] |  |  |  |
Revenues | 383 | 199 | 1,369 | 708
Cost of sales | 557 | 513 | 1,896 | 967
General and administrative | 4,820 | 4,927 | 15,217 | 13,926
Depreciation | 292 | 277 | 866 | 826
Total costs and expenses | 5,669 | 5,717 | 17,979 | 15,719
Operating income (loss) | (5,286) | (5,518) | (16,610) | (15,011)
Water Treatment [Member] |  |  |  |
Revenues | 2,841 | 169 | 3,489 | 599
Cost of sales | 1,852 | 179 | 2,369 | 515
General and administrative | 455 | 200 | 1,093 | 452
Depreciation | 15 | 31 | 41 | 116
Total costs and expenses | 2,322 | 410 | 3,503 | 1,083
Operating income (loss) | $ 519 | $ (241) | $ (14) | $ (484)

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