Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 33,009	$ 41,962
Accounts receivable	73,582	96,866
Inventories	43,358	37,163
Prepaid expenses and other	17,685	13,748
Total current assets	167,634	189,739
Property, plant, and equipment, net	482,019	459,091
Financing lease right-of-use assets, net	12,437	10,282
Advanced coal royalties	4,709	2,964
Other	7,887	3,760
Total Assets	674,686	665,836
Current liabilities
Accounts payable	48,855	51,624
Accrued liabilities	61,659	52,225
Current portion of asset retirement obligations	1,035	110
Current portion of long-term debt	359	56,534
Current portion of financing lease obligations	6,218	5,456
Insurance financing liability	4,302	4,037
Total current liabilities	122,428	169,986
Long-term asset retirement obligations	30,052	28,850
Long-term equipment loans	57	349
Long-term financing lease obligations	7,517	4,915
Senior notes, net	88,135	33,296
Deferred tax liability, net	56,027	54,352
Other long-term liabilities	7,664	4,483
Total liabilities	311,880	296,231
Commitments and contingencies
Stockholders' Equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized, none issued or outstanding
Additional paid-in capital	292,739	277,133
Retained earnings	69,534	91,944
Total stockholders' equity	362,806	369,605
Total Liabilities and Stockholders' Equity	674,686	665,836
Class A Common Stock
Stockholders' Equity
Common stock	438	440
Class B Common Stock
Stockholders' Equity
Common stock	$ 95	$ 88