Consolidated Statement of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Coal sales	$ 137,436		$ 131,370
Equity income – Savoy	5,827		2,039
Equity income - Sunrise Energy	629		167
Liability extinguishment (Note 12)	4,300
Gain on sale of land			2,748
Other income (Note 9)	5,678		4,999
	153,870		141,323
Operating costs and expenses	92,893		79,739
DD&A	18,585		16,028
Coal exploration costs	2,360		2,453
SG&A	7,669		7,532
Interest	1,547		1,096
	123,054		106,848
Income before income taxes	30,816		34,475
Current	221		5,905
Deferred	7,441		4,763
	7,662		10,668
Net income*	$ 23,154	[1]	$ 23,807	[1]
Basic (in Dollars per share)	$ 0.81		$ 0.84
Diluted (in Dollars per share)	$ 0.80		$ 0.83
Basic (in Shares)	28,595		28,331
Diluted (in Shares)	28,906		28,843

[1] *There is no material difference between net income and comprehensive income.