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REVENUE AND COST OF SALES (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
REVENUE AND COST OF SALES        
Production costs $ 9,992 $ 7,952 $ 27,963 $ 26,095
Write down of equipment and materials and supplies inventory 249 182 413 566
Depreciation and depletion 896 773 2,616 2,390
Total cost $ 11,137 $ 8,907 $ 30,992 $ 29,051