Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 28,130	$ 33,009
Accounts receivable	55,943	73,582
Inventories	59,310	43,358
Prepaid expenses and other	11,527	17,685
Total current assets	154,910	167,634
Property, plant, and equipment, net	487,334	482,019
Financing lease right-of-use assets, net	19,683	12,437
Advanced coal royalties	4,884	4,709
Other	7,835	7,887
Total Assets	674,646	674,686
Current liabilities
Accounts payable	56,271	48,855
Accrued liabilities	47,591	61,659
Current portion of asset retirement obligations	1,035	1,035
Current portion of long-term debt	223	359
Current portion of financing lease obligations	8,239	6,218
Insurance financing liability	428	4,302
Total current liabilities	113,787	122,428
Long-term asset retirement obligations	30,806	30,052
Long-term equipment loans		57
Long-term borrowings on revolving credit facility	25,000
Long-term financing lease obligations	12,258	7,517
Senior notes, net	88,606	88,135
Deferred tax liability, net	49,689	56,027
Other long-term liabilities	7,061	7,664
Total liabilities	327,207	311,880
Commitments and contingencies
Stockholders' Equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized, none issued or outstanding
Additional paid-in capital	314,341	292,739
Retained earnings	32,551	69,534
Total stockholders' equity	347,439	362,806
Total Liabilities and Stockholders' Equity	674,646	674,686
Class A Common Stock
Stockholders' Equity
Common stock	444	438
Class B Common Stock
Stockholders' Equity
Common stock	$ 103	$ 95