v3.26.1
UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
ASSETS    
Cash and cash equivalents $ 45,523 $ 49,708
Oil and natural gas receivables 9,073 7,978
Prepaid profit sharing 8,319 11,529
Inventories 61,076 63,648
Assets held for sale 19,883 12,774
Prepaid insurance 235 5,546
Other current assets 20,234 13,882
Total current assets 209,248 214,892
Property, plant and equipment, net 299,034 287,546
Intangibles, net 4,378 4,725
Mining supplies inventory 43,304 34,795
Deferred income taxes 16,333 14,001
Operating lease right-of-use assets 8,385 9,595
Equity securities 19,121 17,696
Other non-current assets 33,634 29,505
Total assets 677,487 661,228
LIABILITIES AND EQUITY    
Current maturities of long-term debt 8,596 9,080
Asset retirement obligations 8,018 8,185
Accrued payroll 14,007 19,863
Excess funding liability 0 5,450
Other current liabilities 10,512 10,299
Total current liabilities 63,493 69,615
Long-term debt 16,522 16,815
Long-term revolving credit agreements 95,000 75,000
Operating lease liabilities 6,960 7,950
Asset retirement obligations 34,544 39,516
Retirement benefit plans 4,348 4,558
Deferred revenue 12,674 10,593
Other long-term liabilities 7,808 7,938
Total liabilities 241,349 231,985
Common stock:    
Capital in excess of par value 45,116 42,427
Retained earnings 385,121 381,130
Accumulated other comprehensive loss (1,646) (1,741)
Total stockholders' equity 436,138 429,243
Total liabilities and equity 677,487 661,228
Unconsolidated Subsidiaries    
ASSETS    
Investments in unconsolidated subsidiaries and Equity method investment in Eiger Resources 14,792 14,750
Eiger, LLC    
ASSETS    
Investments in unconsolidated subsidiaries and Equity method investment in Eiger Resources 29,258 33,723
Nonrelated Party    
ASSETS    
Trade accounts receivable and accounts receivable from affiliates 34,728 42,921
LIABILITIES AND EQUITY    
Accounts payable and accounts payable to affiliates 22,279 16,060
Affiliated Entity    
ASSETS    
Trade accounts receivable and accounts receivable from affiliates 10,177 6,906
LIABILITIES AND EQUITY    
Accounts payable and accounts payable to affiliates 81 678
Class A Common Stock    
Common stock:    
Common stock 5,985 5,864
Class B Common Stock    
Common stock:    
Common stock $ 1,562 $ 1,563