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REVENUE AND COST OF SALES (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
REVENUE AND COST OF SALES        
Production costs $ 8,910 $ 7,407 $ 18,143 $ 14,711
Write down of equipment and materials and supplies inventory 384 91 384 91
Depreciation and depletion 796 677 1,617 1,347
Total cost $ 10,090 $ 8,175 $ 20,144 $ 16,149