Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
SALES AND OPERATING REVENUES:
Other revenues	$ 1,631	$ 1,596
Total sales and operating revenues	101,807	117,724
EXPENSES:
Fuel	14,963	15,210
Other operating and maintenance costs	29,156	28,389
Cost of purchased power	14,863	6,840
Utilities	3,333	4,152
Labor	27,388	27,029
Depreciation, depletion and amortization	10,606	14,977
Asset retirement obligations accretion	408	427
Exploration costs	84	21
General and administrative	6,858	6,825
Gain on disposal or abandonment of assets, net	(201)	(21)
Total operating expenses	107,458	103,849
INCOME (LOSS) FROM OPERATIONS	(5,651)	13,875
Interest income	147	63
Interest expense	(3,970)	(3,723)
Loss on extinguishment of debt	(230)
Equity method investment (loss)	(121)	(236)
NET INCOME (LOSS) BEFORE INCOME TAXES	(9,825)	9,979
INCOME TAX EXPENSE (BENEFIT):
Deferred	(504)
Total income tax expense (benefit)	(504)
NET INCOME (LOSS)	$ (9,321)	$ 9,979
NET INCOME (LOSS) PER SHARE:
Basic (in dollar per share)	$ (0.2)	$ 0.23
Diluted (in dollar per share)	$ (0.2)	$ 0.23
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	46,519	42,619
Diluted (in shares)	46,519	43,462
Interest Expense:
Interest on bank debt	$ 862	$ 1,494
Other interest	2,834	1,732
Amortization of debt issuance costs	274	497
Total interest expense	3,970	3,723
Electric sales
SALES AND OPERATING REVENUES:
Revenues	65,096	85,943
Coal sales
SALES AND OPERATING REVENUES:
Revenues	$ 35,080	$ 30,185