v3.26.3
Note 7 - Mineral Rights, Net (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Depreciation, Depletion and Amortization $ 6,526 $ 3,868 $ 25,271 $ 11,611
Mineral Rights Segment [Member]        
Depreciation, Depletion and Amortization $ 5,800 $ 3,800 $ 21,300 $ 11,000