v3.26.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Current assets:    
Cash and cash equivalents $ 28,979 $ 10,070
Restricted cash 5,950 5,302
Accounts receivable 14,396 13,989
Inventory 47,841 42,534
Parts and supplies 51,326 45,854
Prepaid expenses 1,507 5,638
Total current assets 149,999 123,387
Property, plant and equipment:    
Land and mineral rights 69,952 69,952
Buildings and equipment 447,072 421,037
Mine development 102,302 102,302
Construction work in progress 57,955 39,671
Finance lease right-of-use assets 12,591 12,591
Total property, plant and equipment 689,872 645,553
Less - accumulated depreciation, depletion and amortization (384,551) (367,775)
Total property, plant and equipment, net 305,321 277,778
Equity method investments 2,284 2,647
Operating lease right-of-use assets 2,734  
Other noncurrent assets 7,706 4,241
Total assets 468,044 408,053
Current liabilities:    
Current portion of bank debt, net 3,747  
Accounts payable 31,632 12,594
Accrued liabilities and other 33,008 29,254
Current portion of lease financing 3,849 7,411
Contract liabilities - current 136,457 103,343
Total current liabilities 208,693 152,602
Long-term liabilities:    
Bank debt, net 39,183 29,678
Long-term lease financing 310 1,338
Deferred income taxes 165 1,833
Asset retirement obligations 16,065 15,241
Contract liabilities - long-term 10,000 45,714
Other 3,296 1,814
Total long-term liabilities 69,019 95,618
Total liabilities 277,712 248,220
Commitments and contingencies (Note 14)
Stockholders' equity:    
Preferred stock, $.10 par value, 10,000 shares authorized; none issued
Common stock, $.01 par value, 100,000 shares authorized; 47,144 and 43,817 issued and outstanding, as of June 30, 2026 and December 31, 2025, respectively 471 438
Additional paid-in capital 257,985 202,963
Retained deficit (68,124) (43,568)
Total stockholders' equity 190,332 159,833
Total liabilities and stockholders' equity $ 468,044 $ 408,053