v3.26.1
Note 3 - Reportable Segments - Segment Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenues $ 16,313 $ 9,608
Cost of sales 11,163 7,298
General and administrative 29,484 24,345
Depreciation 1,264 1,214
Total costs and expenses 41,911 32,857
Operating income (loss) (25,598) (23,249)
Water and Land Resources [Member]    
Revenues 1,835 1,708
Cost of sales 3,687 2,984
General and administrative 25,013 22,525
Depreciation 1,228 1,159
Total costs and expenses 29,928 26,668
Operating income (loss) (28,093) (24,960)
Water Treatment [Member]    
Revenues 14,478 7,900
Cost of sales 7,476 4,314
General and administrative 4,471 1,820
Depreciation 36 55
Total costs and expenses 11,983 6,189
Operating income (loss) $ 2,495 $ 1,711