Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
SALES AND OPERATING REVENUES:
Coal sales		$ 57,010	$ 45,879
Other revenues		1,897	816
Total revenue		58,907	46,695
EXPENSES:
Operating expenses		54,601	34,009
Depreciation, depletion and amortization		9,531	10,307
Asset retirement obligations accretion		246	363
Exploration costs		57	58
General and administrative		3,149	2,821
Total operating expenses		67,584	47,558
LOSS FROM OPERATIONS		(8,677)	(863)
Interest expense	[1]	(1,784)	(1,898)
Equity method investment income		150	0
LOSS BEFORE INCOME TAXES		(10,311)	(2,761)
Current		0	0
Deferred		(177)	(1,729)
Total income tax benefit		(177)	(1,729)
NET LOSS		$ (10,134)	$ (1,032)
NET LOSS PER SHARE:
Basic and diluted (in dollars per share)		$ (0.33)	$ (0.03)
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic and diluted (in shares)		30,785	30,611
(1) Interest Expense:
Bank interest		$ 1,710	$ 2,135
Non-cash interest:
Change in interest rate swap valuation		(617)	(848)
Amortization of debt issuance costs		691	611
Total non-cash interest		74	(237)
Total interest expense	[1]	$ 1,784	$ 1,898

[1] Interest Expense