Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 18,402	$ 21,888
Prepaid income taxes	1,670
Accounts receivable	6,790	8,127
Coal inventory	4,534	2,342
Parts and supply inventory	2,563	2,264
Other	147	242
Total current assets	34,106	34,863
Coal properties, at cost:
Land and mineral rights	23,325	22,705
Buildings and equipment	135,775	131,566
Mine development	74,979	71,046
	234,079	225,317
Less - accumulated DD&A	(63,039)	(58,479)
	171,040	166,838
Investment in Savoy	13,026	12,230
Investment in Sunrise Energy	4,090	3,969
Other assets	12,366	11,307
	234,628	229,207
Current liabilities:
Accounts payable and accrued liabilities	9,972	9,386
Income taxes - current		1,660
Total current liabilities	9,972	11,046
Long-term liabilities:
Bank debt	11,400	11,400
Deferred income taxes	36,652	35,884
Asset retirement obligations	2,630	2,573
Other	5,723	6,295
Total long-term liabilities	56,405	56,152
Total liabilities	66,377	67,198
Common stock, $.01 par value, 100,000 shares authorized;
28,529 shares outstanding for both periods	285	285
Additional paid-in capital	87,176	86,576
Retained earnings	80,586	75,118
Accumulated other comprehensive income	204	30
Total stockholders’ equity	168,251	162,009
	$ 234,628	$ 229,207