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REVENUE AND COST OF SALES (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
REVENUE AND COST OF SALES        
Production costs $ 7,952 $ 9,228 $ 26,095 $ 23,939
Write down of equipment and materials and supplies inventory 182 4 566 95
Depreciation and depletion 773 720 2,390 2,067
Total cost $ 8,907 $ 9,952 $ 29,051 $ 26,101