v3.26.1
SEGMENT REPORTING - Schedule of Reportable Segment Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Significant segment expenses:    
Selling, general, and administrative $ (20,285,000) $ (14,602,000)
Other segment items 485,000 505,000
Stock-based compensation (4,908,000) (3,361,000)
Asset retirement obligations accretion (506,000) (402,000)
Depreciation, depletion, and amortization (16,613,000) (17,542,000)
Other expense (1,367,000) (459,000)
Interest expense, net (334,000) (2,230,000)
Income tax benefit (expense) 5,835,000 4,290,000
Net income (loss) (18,319,000) (9,457,000)
Segment capital expenditures 20,006,000 21,452,000
Total capital expenditures (including accrued capital expenditures and capitalized interest) 20,006,000 21,452,000
Operating Segments    
SEGMENT REPORTING    
Revenue 121,613,000 134,656,000
Significant segment expenses:    
Cost of sales (exclusive of transportation costs) (88,547,000) (93,222,000)
Transportation costs (19,967,000) (18,998,000)
Selling, general, and administrative (12,829,000) (8,876,000)
Other segment items 1,852,000 964,000
Segment Adjusted EBITDA 2,122,000 14,524,000
Corporate Non segment    
Significant segment expenses:    
Corporate expenses (2,548,000) (4,277,000)
Metallurgical Coal    
Significant segment expenses:    
Segment capital expenditures 17,680,000 21,393,000
Metallurgical Coal | Operating Segments    
SEGMENT REPORTING    
Revenue 121,613,000 134,656,000
Significant segment expenses:    
Cost of sales (exclusive of transportation costs) (88,547,000) (93,222,000)
Transportation costs (19,967,000) (18,998,000)
Selling, general, and administrative (6,215,000) (4,693,000)
Other segment items 1,850,000 964,000
Segment Adjusted EBITDA 8,734,000 18,707,000
REE & Critical Minerals    
SEGMENT REPORTING    
Revenue 0  
Significant segment expenses:    
Segment capital expenditures 2,326,000 59,000
REE & Critical Minerals | Operating Segments    
Significant segment expenses:    
Selling, general, and administrative (6,614,000) (4,183,000)
Other segment items 2,000  
Segment Adjusted EBITDA $ (6,612,000) $ (4,183,000)