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v3.25.2

Business Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | $ 68,235 | $ 52,345 | $ 133,806 | $ 105,634 |
Cost of sales | 61,415 | 45,327 | 117,332 | 91,598 |
Earnings of unconsolidated operations | 13,138 | 13,592 | 29,124 | 26,899 |
Operating expenses (income) | 20,009 | 13,244 | 37,967 | 28,812 |
Operating (loss) profit | (51) | 7,366 | 7,631 | 12,123 |
Expenditures for property, plant and equipment and acquisition of mineral interests | 3,142 | 7,918 | 11,950 | 22,401 |
Depreciation, depletion and amortization | 6,091 | 7,007 | 12,884 | 12,699 |
Total assets | 631,312 |  | 631,312 |  | $ 631,687
Operating segments | Utility Coal Mining |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 28,626 | 14,996 | 47,865 | 30,541 |
Cost of sales | 30,327 | 16,138 | 52,897 | 37,081 |
Earnings of unconsolidated operations | 11,656 | 12,006 | 26,119 | 24,013 |
Operating expenses (income) | 8,733 | 8,097 | 16,074 | 15,123 |
Operating (loss) profit | 1,222 | 2,767 | 5,013 | 2,350 |
Expenditures for property, plant and equipment and acquisition of mineral interests | 1,433 | 1,913 | 2,050 | 3,707 |
Depreciation, depletion and amortization | 2,132 | 2,896 | 4,150 | 5,110 |
Total assets | 117,201 |  | 117,201 |  | 125,301
Operating segments | Contract Mining |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 30,723 | 27,920 | 62,249 | 52,403 |
Cost of sales | 28,659 | 24,254 | 57,037 | 45,925 |
Earnings of unconsolidated operations | 1,232 | 1,448 | 2,201 | 2,813 |
Operating expenses (income) | 2,286 | 2,029 | 4,433 | 3,851 |
Operating (loss) profit | 1,010 | 3,085 | 2,980 | 5,440 |
Expenditures for property, plant and equipment and acquisition of mineral interests | 1,032 | 5,168 | 7,786 | 10,986 |
Depreciation, depletion and amortization | 2,917 | 2,434 | 5,619 | 4,690 |
Total assets | 212,254 |  | 212,254 |  | 204,889
Operating segments | Minerals and Royalties |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 7,268 | 5,593 | 18,170 | 15,994 |
Cost of sales | 986 | 1,501 | 3,230 | 2,865 |
Earnings of unconsolidated operations | 251 | 138 | 805 | 73 |
Operating expenses (income) | 1,328 | (3,361) | 2,633 | (2,319) |
Operating (loss) profit | 5,205 | 7,591 | 13,112 | 15,521 |
Expenditures for property, plant and equipment and acquisition of mineral interests | 0 | 10 | 807 | 146 |
Depreciation, depletion and amortization | 845 | 1,323 | 2,753 | 2,316 |
Total assets | 96,247 |  | 96,247 |  | 99,905
Unallocated Items |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 2,223 | 4,566 | 6,623 | 7,828 |
Cost of sales | 2,051 | 4,167 | 5,288 | 6,879 |
Earnings of unconsolidated operations | (1) | 0 | (1) | 0 |
Operating expenses (income) | 7,662 | 6,479 | 14,827 | 12,157 |
Operating (loss) profit | (7,491) | (6,080) | (13,493) | (11,208) |
Expenditures for property, plant and equipment and acquisition of mineral interests | 677 | 827 | 1,307 | 7,562 |
Depreciation, depletion and amortization | 197 | 354 | 362 | 583 |
Total assets | 205,610 |  | 205,610 |  | $ 201,592
Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | (605) | (730) | (1,101) | (1,132) |
Cost of sales | (608) | (733) | (1,120) | (1,152) |
Operating (loss) profit | $ 3 | $ 3 | $ 19 | $ 20 |

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